Log in

Relevant bibliographies by topics / Categorie semantiche / Dissertations / Theses

Dissertations / Theses on the topic 'Categorie semantiche'

To see the other types of publications on this topic, follow the link: Categorie semantiche.

Author: Grafiati

Published: 9 March 2023

Last updated: 10 March 2023

Create a spot-on reference in APA, MLA, Chicago, Harvard, and other styles

Select a source type:

Consult the top 50 dissertations / theses for your research on the topic 'Categorie semantiche.'

Next to every source in the list of references, there is an 'Add to bibliography' button. Press on it, and we will generate automatically the bibliographic reference to the chosen work in the citation style you need: APA, MLA, Harvard, Chicago, Vancouver, etc.

You can also download the full text of the academic publication as pdf and read online its abstract whenever available in the metadata.

Browse dissertations / theses on a wide variety of disciplines and organise your bibliography correctly.

1

CASAROTTI, ALESSANDRA. "Nomi propri, categorie semantiche, parole astratte e concrete: correlati neurali in pazienti con glioma cerebrale." Doctoral thesis, Università degli Studi di Milano-Bicocca, 2013. http://hdl.handle.net/10281/40214.

Full text

Abstract:

Several studies have suggested different neural circuits for different categories of stimuli. The present studies explore in patients submitted to surgical removal of a glioma, the role of cortical and subcortical structures involved in processing abstract and concrete words. In the first study living and non-living objects were investigated. Direct electrical cortical stimulation was used to map naming of living/non-living entities during surgical removal, then subcortical connections for specific categories of objects were investigated. Two different pathways were identified, one for living and one for non-living things. These results constitute a neurophysiological evidence for the critical role of subcortical pathways as part of the neural circuits that represent lexical-conceptual knowledge of different categories of objects. The second study focused on proper names retrieval and its relationship with the uncinate fasciculus. Forty-four patients with a brain tumor in the left frontal or temporal lobe were examined. In 18 of them surgical removal included the uncinate fasciculus. Patients were assessed before surgery, three-seven days after surgery and three months after surgery. This procedure allowed understanding whether there was any difference due to the lesion of uncinate fasciculus. Patients with removal of the uncinate fasciculus were impaired in naming famous faces and objects. In the third study processing of abstract and concrete nouns was investigated. Fifty-six patients with a brain tumor in the left and right frontal or temporal lobe were examined by means of a semantic similarity judgment. The results suggest that the anterior temporal and the left fronto-insular regions are involved in processing abstract words.

APA, Harvard, Vancouver, ISO, and other styles

2

ADORNI, ROBERTA. "Dinamiche elettrofisiologiche nella lettura di parole: dall'analisi ortografica ai processi di elaborazione semantica." Doctoral thesis, Università degli Studi di Milano-Bicocca, 2010. http://hdl.handle.net/10281/7832.

Full text

Abstract:

The purposes of the doctoral thesis were manifold. First of all, we aimed at clarifying the neural underpinnings of single word reading and the time course of lexical processing by comparing the bioelectrical activity elicited by stimuli with different degrees of orthographic legality (letter strings, legal pseudo-words and words) and semantic denotation (flora names vs. fauna names; concrete words vs. abstract words). A strong effort was directed to avoid possible confounding effects of psycholinguistic variables like frequency of occurrence and length, which are known to affect written word processing. Source reconstruction by means of LORETA was aimed to draw inferences on the cerebral regions specifically involved in different processing stages, with the final purpose of integrate current knowledge resulting from neuroimaging and electrophysiological approach. Overall the data provided evidence that the orthographic and lexico-semantic word properties were processed in parallel between 200 and 400 ms after stimulus onset. The temporo-parietal region was sensitive to orthographic legality (250-350 ms). The latency of lexical effects (word/pseudo-word discrimination) varied as a function of the number of a word's orthographic neighbours, being faster (200-250 ms) to pseudo-words with a small number of neighbours over anterior sites. The lexical effect found over the left occipito-temporal region (300-400 ms, BA 19 and BA 37) suggested a lexical access by means of a visual route. Semantic categories were discriminated as early as 200 ms post stimulus over the left occipito-temporal areas (BA 37 and BA 20). The results are discussed in the light of the possible role played by the word age of acquisition, as well as the specific properties of living concepts (biological relevance and homomorphism). Abstract and concrete word processing differed in terms of a stronger involvement of extra-striate visual areas during concrete word processing (350-380 ms) and a stronger involvement of prefrontal cortex in response to abstract words (350-380 ms). The results suggested that concrete, imaginable concepts activate perceptually based representations not available to abstract concepts. Overall, these data show how ERPs can dissociate between lexical and higher level processes. Semantic processing may take place near-simultaneously and in different brain regions with the processing of information about the form of a word and its lexical properties.

APA, Harvard, Vancouver, ISO, and other styles

3

Sbardellini, Luis Augusto. "Semantica categorial generalizada." [s.n.], 2001. http://repositorio.unicamp.br/jspui/handle/REPOSIP/278900.

Full text

Abstract:

Orientador: Marcelo Esteban Coniglio
Dissertação (mestrado) - Universidade Estadual de Campinas, Instituto de Filosofia e Ciencias Humanas
Made available in DSpace on 2018-07-31T14:53:37Z (GMT). No. of bitstreams: 1 Sbardellini_LuisAugusto_M.pdf: 6203251 bytes, checksum: 2194621e6912483f7d0be2f2f3722695 (MD5) Previous issue date: 2001
Resumo: o presente trabalho trata de semântica categorial, isto é, da interpretação de linguagens de primeira ordem em categorias. Propomos aqui uma generalização da semântica categorial usual (no sentido de [9]) através da modificação adequada da interpretação de símbolos de constantes. Na nossa nova abordagem, qualquer objeto de categoria pode interpretar a sorte de uma constante, mesmo que ele não tenha elementos globais. Exemplificamos os resultados conseguidos através do estudo de feixes e pré-feixes e realizamos uma comparação com as abordagens tradicional e estendida (em [3])...Observação: O resumo, na íntegra, poderá ser visualizado no texto completo da tese digital
Abstract: The present work treats of categorial semantics, that is, the interpretation of first order languages in categories. We propose here a generalization of the usual categorial semantics (in the sense of [9]) through the suitable modification of the interpretation of symbols of constants. In our approach, any categorial object may interpret the sort of a constant, even of it does not have global elements. We exemplified the results obtained through the study of sheaves and presheaves and established a comparison with the traditional and extended approaches (in [3])....Note: The complete abstract is available with the full electronic digital thesis or dissertations
Mestrado
Mestre em Filosofia

APA, Harvard, Vancouver, ISO, and other styles

4

Mackenzie, Ian Edward. "The semantics of Spanish verbal categories." Thesis, University of Cambridge, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.320042.

Full text

APA, Harvard, Vancouver, ISO, and other styles

5

Bednarczyk, M. A. "Categories of asynchronous systems." Thesis, University of Sussex, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.381623.

Full text

APA, Harvard, Vancouver, ISO, and other styles

6

Graham, Erin Nicole. "The Role of Implicit Priming in the Acquisition and Processing of Complex Semantic Categories." Kent State University / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=kent1559132722298381.

Full text

APA, Harvard, Vancouver, ISO, and other styles

7

Martin, Clare. "Preordered categories and predicate transformers." Thesis, University of Oxford, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.302864.

Full text

APA, Harvard, Vancouver, ISO, and other styles

8

Shebani, Zubaida Soliman. "Semantic word category processing." Thesis, University of Cambridge, 2012. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.610751.

Full text

APA, Harvard, Vancouver, ISO, and other styles

9

Kline, Valerie. "Category Specific Semantic Impairments." Thesis, University of Louisiana at Lafayette, 2016. http://pqdtopen.proquest.com/#viewpdf?dispub=10003760.

Full text

Abstract:

Category-specific semantic deficits (CSSD) result in the inability to recognize, recall, and/or remember objects from a particular semantic category. There is a common pattern of impairments observed in CSSD patients that is reviewed in Section One. In Section Two, I used a tempo-matching speeded word verification task to investigate the early stages of semantic memory to examine the similarities between healthy participants under time pressure and the patient data. Specifically, I sought to produce in the latter the reversal of the basic level effect found in CSSD, and to examine healthy participant data for other CSSD trends. The speeded methodology generally failed to replicate the reversal of the basic level effect, except for several specific items at the shortest response deadline. The final study in Section Two examines the effect of semantic relatedness on this task. Three types of semantic relatedness each reduced the speed and accuracy of responses relative to unrelated conditions. Section Three provides an overview and discussion of the results. The failure to replicate the reversal of the basic level effect suggests that speeded classification of neuropsychologically relevant stimuli does not share a common etiology with CSSD.

APA, Harvard, Vancouver, ISO, and other styles

10

Bird, Helen. "Processing categories of vocabulary in aphasia." Thesis, University of Newcastle Upon Tyne, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.299636.

Full text

APA, Harvard, Vancouver, ISO, and other styles

11

Hirsch, Aron Ph D. Massachusetts Institute of Technology. "An inflexible semantics for cross-categorial operators." Thesis, Massachusetts Institute of Technology, 2017. http://hdl.handle.net/1721.1/113782.

Full text

Abstract:

Thesis: Ph. D., Massachusetts Institute of Technology, Department of Linguistics and Philosophy, 2017.
Cataloged from PDF version of thesis.
Includes bibliographical references (pages 305-323).
This thesis studies operators such as and and only, which occur in a broad range of environments. And, for instance, appears between sentences, intransitive verbs, quantifiers, and so forth. One line of analysis assigns and/only a "cross-categorial" semantics flexible enough to compose with different arguments. This thesis challenges that view, pursuing the "Semantic Inflexibility Hypothesis" (SIH). Regardless of the surface string, and and only uniformly operate on a meaning characteristic of a sentence -- a truth-value or proposition. The thesis presents four case studies testing a central prediction of the SIH: that when and/only appear to compose with an expression having a non-sentential meaning, there must be covert syntax underlying to furnish an appropriate scope site. Most of the cases involve object DPs: (a) apparent object DP conjunction in basic sentences (John saw every student and every professor) and (b) in pseudo-clefts (What Obama approved was this bill and that bill), along with (c) only preceding an object DP (John learned only one language). The additional case study examines coordination of questions. Novel diagnostics reveal covert syntax in each case, reconciling the data with the SIH -- and, in some cases, leading to a new perspective on the construction. In addition to showing that a range of data may be parsed with covert syntax, I present reason to question whether cross-categorial meanings are available at all. Specifically, I point out that crosscategorial analyses over-generate. First: the mechanisms which give rise to cross-categorial meanings are too powerful, and predict more operators to be cross-categorial than actually are. Second, I show that if and itself were cross-categorial, unattested scope readings would derive. If there are no crosscategorial operators, the over-generation problems resolve without new constraints.
by Aron Hirsch.
Ph. D.

APA, Harvard, Vancouver, ISO, and other styles

12

Whitman, Philip Neal. "Category neutrality : a type-logical investigation /." Connect to this title online, 2002. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1023679306.

Full text

Abstract:

Thesis (Ph. D.)--Ohio State University, 2002.
Title from first page of PDF file. Document formatted into pages; contains xii, 320 p., also contains graphics. Includes abstract and vita. Advisor: David R. Dowty, Dept. of Linguistics. Includes bibliographical references (p. 315-320).

APA, Harvard, Vancouver, ISO, and other styles

13

Kartsaklis, Dimitrios. "Compositional distributional semantics with compact closed categories and Frobenius algebras." Thesis, University of Oxford, 2014. http://ora.ox.ac.uk/objects/uuid:1f6647ef-4606-4b85-8f3b-c501818780f2.

Full text

Abstract:

The provision of compositionality in distributional models of meaning, where a word is represented as a vector of co-occurrence counts with every other word in the vocabulary, offers a solution to the fact that no text corpus, regardless of its size, is capable of providing reliable co-occurrence statistics for anything but very short text constituents. The purpose of a compositional distributional model is to provide a function that composes the vectors for the words within a sentence, in order to create a vectorial representation that re ects its meaning. Using the abstract mathematical framework of category theory, Coecke, Sadrzadeh and Clark showed that this function can directly depend on the grammatical structure of the sentence, providing an elegant mathematical counterpart of the formal semantics view. The framework is general and compositional but stays abstract to a large extent. This thesis contributes to ongoing research related to the above categorical model in three ways: Firstly, I propose a concrete instantiation of the abstract framework based on Frobenius algebras (joint work with Sadrzadeh). The theory improves shortcomings of previous proposals, extends the coverage of the language, and is supported by experimental work that improves existing results. The proposed framework describes a new class of compositional models thatfind intuitive interpretations for a number of linguistic phenomena. Secondly, I propose and evaluate in practice a new compositional methodology which explicitly deals with the different levels of lexical ambiguity (joint work with Pulman). A concrete algorithm is presented, based on the separation of vector disambiguation from composition in an explicit prior step. Extensive experimental work shows that the proposed methodology indeed results in more accurate composite representations for the framework of Coecke et al. in particular and every other class of compositional models in general. As a last contribution, I formalize the explicit treatment of lexical ambiguity in the context of the categorical framework by resorting to categorical quantum mechanics (joint work with Coecke). In the proposed extension, the concept of a distributional vector is replaced with that of a density matrix, which compactly represents a probability distribution over the potential different meanings of the specific word. Composition takes the form of quantum measurements, leading to interesting analogies between quantum physics and linguistics.

APA, Harvard, Vancouver, ISO, and other styles

14

Carroll, Erin Mary Alice. "Category- and modality-specificity in semantic dementia." Thesis, University College London (University of London), 2006. http://discovery.ucl.ac.uk/1445346/.

Full text

Abstract:

The experiments presented in this work are aimed at gaining a greater understanding of the semantic impairment in semantic dementia (SD) in terms of modality-specificity and category-specificity, and to consider the implications for the organisation of the semantic system. To this end, the semantic abilities of a group of twelve SD patients with varying impairment severity were examined using a variety of methods - tests from a traditional semantic battery and novel tests, which examined the verbal and nonverbal knowledge of concepts and the semantic attributes of those concepts. The methods of assessment were directly contrasted and relationships between them explored. Throughout this work, comparisons with normal performance were drawn using data collected from age-matched healthy subjects. Longitudinal analyses of the performance of a subset of the patients were also presented to investigate any decline in patient performance over time. The findings suggest a remarkable degree of consistency in semantic performance in the patient group, regardless of stimulus modality or feature type, with few exceptions. However, this consistency was not reflected in the influence of semantic domain. Some patients showed category-specificity while others did not. These differences could not be explained by reference to psycholinguistic variables or evolutionarily determined categories. Differential processing of feature types was more satisfactory as an explanation but required the implication of more fine-grained distinctions than the binary sensory/functional knowledge classification. Recent models of which consider multiple principles of organisation within the semantic system are more likely to be able to account for all the data showing both consistency and inconsistency within the present cohort of SD patients, and the myriad findings in the semantic memory literature.

APA, Harvard, Vancouver, ISO, and other styles

15

Blumberg, Sarah Lynn. "Semantic Category Effects on Hebrew Language Acquisition." Thesis, The University of Arizona, 2011. http://hdl.handle.net/10150/144236.

Full text

APA, Harvard, Vancouver, ISO, and other styles

16

Bueno-Soler, Juliana 1976. "Semantica algebrica de traduções possiveis." [s.n.], 2004. http://repositorio.unicamp.br/jspui/handle/REPOSIP/279780.

Full text

Abstract:

Orientadores: Marcelo Esteban Coniglio, Carlos Caleiro
Dissertação (mestrado) - Universidade Estadual de Campinas, Instituto de Filosofia e Ciencias Humanas
Made available in DSpace on 2018-08-04T00:28:23Z (GMT). No. of bitstreams: 1 Bueno-Soler_Juliana_M.pdf: 944055 bytes, checksum: 560404307eedeebf3b45f7ca82f30d78 (MD5) Previous issue date: 2004
Mestrado
Filosofia
Mestre em Filosofia

APA, Harvard, Vancouver, ISO, and other styles

17

Bermeitinger, Christina. "Facts and artifacts about tureens and artichokes natural and artifactual categories investigated with semantic priming." Göttingen Cuvillier, 2009. http://d-nb.info/992913748/04.

Full text

APA, Harvard, Vancouver, ISO, and other styles

18

Stefanovic, Marija. "The category of animacy, a semantic feature hierarchy?" Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp03/NQ49999.pdf.

Full text

APA, Harvard, Vancouver, ISO, and other styles

19

Rost, Gwyneth Campbell. "Object categories provide semantic representation for 3-year-olds' word learning." Diss., University of Iowa, 2011. https://ir.uiowa.edu/etd/2764.

Full text

Abstract:

Word learning implies learning of both a phonological form and its referent. For nouns, the referent is typically a category of objects, with variability between objects within the category but an overlying similarity that allows them to be categorized together, to function similarly, and to be called by the same label. We hypothesized that by strengthening knowledge of the category of referents a word refers to, we could strengthen learning and use of the word. Three-year old children were provided with elaborated referent category information in the form of multiple exemplars of the referent category. In the first manipulation, children were trained on identical exemplars or variable exemplars. A second manipulation provided children with variable exemplars that had been distributed to support a prototype. Children in the third condition, who were provided with a prototype plus variants, learned words best in expressive and receptive tasks, when tested on trained and untrained items, and at two time points. In a second manipulation, we asked if simultaneous presentation of multiple exemplars leads to better learning of the object label than sequential presentation. Results indicated little difference. We conclude that 3-year-olds learn words best in the presence of variability distributed to highlight both invariant elements of the referent category and those elements that are allowed to vary.

APA, Harvard, Vancouver, ISO, and other styles

20

Diaconescu, Razvan. "Category-based semantics for equational and constraint logic programming." Thesis, University of Oxford, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.239361.

Full text

APA, Harvard, Vancouver, ISO, and other styles

21

Worrell, James. "On coalgebras and final semantics." Thesis, University of Oxford, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.365698.

Full text

APA, Harvard, Vancouver, ISO, and other styles

22

Grefenstette, Edward Thomas. "Category-theoretic quantitative compositional distributional models of natural language semantics." Thesis, University of Oxford, 2013. http://ora.ox.ac.uk/objects/uuid:d7f9433b-24c0-4fb5-925b-d8b3744b7012.

Full text

Abstract:

This thesis is about the problem of compositionality in distributional semantics. Distributional semantics presupposes that the meanings of words are a function of their occurrences in textual contexts. It models words as distributions over these contexts and represents them as vectors in high dimensional spaces. The problem of compositionality for such models concerns itself with how to produce distributional representations for larger units of text (such as a verb and its arguments) by composing the distributional representations of smaller units of text (such as individual words). This thesis focuses on a particular approach to this compositionality problem, namely using the categorical framework developed by Coecke, Sadrzadeh, and Clark, which combines syntactic analysis formalisms with distributional semantic representations of meaning to produce syntactically motivated composition operations. This thesis shows how this approach can be theoretically extended and practically implemented to produce concrete compositional distributional models of natural language semantics. It furthermore demonstrates that such models can perform on par with, or better than, other competing approaches in the field of natural language processing. There are three principal contributions to computational linguistics in this thesis. The first is to extend the DisCoCat framework on the syntactic front and semantic front, incorporating a number of syntactic analysis formalisms and providing learning procedures allowing for the generation of concrete compositional distributional models. The second contribution is to evaluate the models developed from the procedures presented here, showing that they outperform other compositional distributional models present in the literature. The third contribution is to show how using category theory to solve linguistic problems forms a sound basis for research, illustrated by examples of work on this topic, that also suggest directions for future research.

APA, Harvard, Vancouver, ISO, and other styles

23

Yuasa, Etsuyo. "Modularity in language : constructional and categorial mismatch in syntax and semantics /." Berlin : Mouton de Gruyter, 2005. http://catalogue.bnf.fr/ark:/12148/cb40020784p.

Full text

APA, Harvard, Vancouver, ISO, and other styles

24

Sibanda, Tawanda Carleton. "Was the patient cured? : understanding semantic categories and their relationship in patient records." Thesis, Massachusetts Institute of Technology, 2006. http://hdl.handle.net/1721.1/37097.

Full text

Abstract:

Includes bibliographical references (leaves 103-107).
Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2006.
In this thesis, we detail an approach to extracting key information in medical discharge summaries. Starting with a narrative patient report, we first identify and remove information that compromises privacy (de-identification); next we recognize words and phrases in the text belonging to semantic categories of interest to doctors (semantic category recognition). For disease and symptoms, we determine whether the problem is present, absent, uncertain, or associated with somebody else (assertion classification). Finally, we classify the semantic relationships existing between our categories (semantic relationship classification). Our approach utilizes a series of statistical models that rely heavily on local lexical and syntactic context, and achieve competitive results compared to more complex NLP solutions. We conclude the thesis by presenting the design for the Category and Relationship Extractor (CaRE). CaRE combines our solutions to de-identification, semantic category recognition, assertion classification, and semantic relationship classification into a single application that facilitates the easy extraction of semantic information from medical text.
by Tawanda Carleton Sibanda.
M.Eng.

APA, Harvard, Vancouver, ISO, and other styles

25

George, Nathan R. "The Force of Language: How Children Acquire the Semantic Categories of Force Dynamics." Diss., Temple University Libraries, 2014. http://cdm16002.contentdm.oclc.org/cdm/ref/collection/p245801coll10/id/261450.

Full text

Abstract:

Psychology
Ph.D.
Verbs and prepositions encode relations within events, such as a child running towards the top of a hill or a second child pushing the first away from the top. These relational terms present significant challenges in language acquisition, requiring the mapping of the categorical system of language onto the continuous stream of information in events. This challenge is magnified when considering the complexities of events themselves. Events consist of part-whole relations, or partonomic hierarchies, in which events defined by smaller boundaries, such as the child running up the hill, can be integrated into broader categories, such as the second child preventing the first from reaching the top (Zacks & Tversky, 2001). This dissertation addresses how this partonomic hierarchy in events is paralleled in the structure of relational language. I examine the semantic category of force dynamics, or "how entities interact with respect to force" (Talmy, 1988, p. 49), which introduces broad categories (e.g., help, prevent) that incorporate previously independent relations in events, such as paths, goals, and causality. Two studies ask how children and adults navigate the tension between fine and broad categories in their nonlinguistic representations of force and motion events and whether language - in the form of both labels and syntactic cues - helps children to integrate previously independent relations into these higher order constructs. Participants completed a novel task designed to assess the saliency of force dynamics relations across events. Participants viewed an animated event depicting a force dynamics relation (e.g., prevent, cause) and were asked to identify which of two perceptually varied events (i.e., different characters and setting) depicted the same relation. Study One extends previous research, showing that adults encode force dynamics relations in nonlinguistic contexts. Study Two examined these representations in 4-year-olds, both with and without linguistic cues. Absent linguistic cues, children showed no evidence of encoding force dynamics; however, the presence of language highlighted these relations, improving children's attention to these broader categories in events. The results are the first to explore the problem of hierarchies in relational language and demonstrate a novel role for language in drawing children's attention to the presence of relations between relations.
Temple University--Theses

APA, Harvard, Vancouver, ISO, and other styles

26

Zambri, Immacolata. "Modelli di memoria semantica e lessicale: Studio dei meccanismi neurali di apprendimento e formazione di categorie." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2015. http://amslaurea.unibo.it/9605/.

Full text

Abstract:

Le basi neurali della memoria semantica e lessicale sono oggetto di indagine da anni nelle neuroscienze cognitive. In tale ambito, un ruolo crescente è svolto dall’uso di modelli matematici basati su reti di neuroni. Scopo del presente lavoro è di utilizzare e migliorare un modello sviluppato in anni recenti, per spiegare come la conoscenza del significato di parole e concetti sia immagazzinata nel sistema nervoso e successivamente utilizzata. Il principio alla base del modello è che la semantica di un concetto è descritta attraverso una collezione di proprietà, che sintetizzano la percezione del concetto stesso nelle diverse regioni corticali. Gli aspetti semantici e lessicali sono memorizzati in regioni separate, ma reciprocamente connesse sulla base dell’esperienza passata, secondo un meccanismo di apprendimento Hebbiano. L’obiettivo del lavoro è stato quello di indagare i meccanismi che portano alla formazione di categorie. Una importante modifica effettuata è consistita nell’utilizzare un meccanismo di apprendimento Hebbiano a soglia variabile, in grado di adattarsi automaticamente alla statistica delle proprietà date in input. Ciò ha portato ad un miglioramento significativo dei risultati. In particolare, è stato possibile evitare che un proprietà comune a molti (ma non a tutti) i membri di una categoria (come la proprietà “vola” per la categoria “uccelli”) sia erroneamente attribuita all’intera categoria. Nel lavoro viene presentato lo stesso modello con quattro differenti tassonomie, relative ad animali e a oggetti artificiali. La rete, una volta addestrata con una delle 4 tassonomie, è in grado di risolvere compiti di riconoscimento e denominazione di concetti, mantenendo una distinzione tra le categorie e i suoi membri, e attribuendo un diverso ruolo alle proprietà salienti rispetto alle proprietà marginali. Le tassonomie presentano un numero di concetti e features crescente, per avvicinarsi al reale funzionamento della memoria semantica, in cui ai diversi concetti è associato un numero diverso di caratteristiche.

APA, Harvard, Vancouver, ISO, and other styles

27

LIU, HSIAO-MEI. "A CATEGORIAL GRAMMAR ANALYSIS OF CHINESE SEPARABLE COMPOUNDS AND PHRASES (SYNTAX, SEMANTICS)." Diss., The University of Arizona, 1986. http://hdl.handle.net/10150/183896.

Full text

Abstract:

The lexicon of modern Chinese is composed mainly of disyllabic compound words; some of the compounds are separable, while others are not. Hindered by problems with the definition of the Chinese word and by the concept of separate grammatical levels on which morphological, syntactic and semantic processes occur, previous linguistic studies have been unable to fully account for the separability of some compounds and for the relationship of compound separability to phrase separability. This dissertation finds that, with morphemes having the same syntactic association with other morphemes that words or phrases have with other words or phrases, categorial rules logically explain the common syntax of Chinese words and phrases. In categorial grammar analysis based on the work of Ajdukiewicz (1935), Montague (1974), Partee (1972; 1975), and Bach (1983; 1984), categories are determined by functions associating the expressions in component sets, and syntactic operations build categories up into larger derived categories according to specified functor-argument relations. In the present analysis of Chinese, to the set of the non-verb general category belong morphemes, words and phrases whose form classes are not verbs and which are generic names. Argument expressions, both compound words and verb phrases which belong to this category, combine with the intransitive/non-verb general functor to form the IV category. Rules operating by concatenation, cliticization and wrapping account for the occurrence of resultative expressions, aspect markers, and expressions of time duration or time frequency between the components of separable compounds. Further, the hierarchy of thematic roles devised by Jackendoff (1972) is applied to account for cases in which the functors in IV combine with more than one argument. In this way, an analysis which combines principles of morphology, syntax and semantics is able to account for the identity of compound and phrase separability and derive grammatical sentences for the language.

APA, Harvard, Vancouver, ISO, and other styles

28

Gully, Adrian John. "Aspects of semantics, grammatical categories and other linguistic considerations in Ibn-Hisham's Mughni al-Labib." Thesis, University of Exeter, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.292947.

Full text

APA, Harvard, Vancouver, ISO, and other styles

29

Oliveira, Anna Maria Russo Patricio de. "Aspectos semânticos, conceituais e morfo-sintáticos das categorias nominais." Universidade de São Paulo, 2009. http://www.teses.usp.br/teses/disponiveis/8/8139/tde-05022010-155317/.

Full text

Abstract:

Esta dissertação discute o estatuto morfossintático, semântico e conceitual das categorias nominais, a partir das denominações encontradas em textos didáticos e em trabalhos acadêmicos. O objetivo principal é esclarecer alguns aspectos que ainda permanecem obscuros na literatura, principalmente no que diz respeito às extensões de determinadas categorias nominais. As categorias discutidas neste trabalho são os nomes próprios, os nomes concretos e abstratos, os nomes de eventos e os nomes coletivos. Investigam-se especialmente as particularidades ligadas à interpretação das diferentes categorias nominais enquanto possíveis desencadeadoras de diferentes modos de denotação. Tendo como ponto de partida a semântica formal, este trabalho recebe contribuições também de outras sub-áreas da lingüística, assim como da filosofia da linguagem. Devido à escassez de embasamento teórico recente, foram buscados argumentos tanto em autores oriundos do campo filosófico tais como Russell, Wittgenstein e Varzi como lingüistas relativamente pouco freqüentados em nossos dias, como Jespersen e Pichon. O desenvolvimento desta pesquisa, que priorizou como objeto de análise, a língua portuguesa do Brasil, parece apontar alguns aspectos relevantes na diferenciação e na delimitação das classes nominais supra citadas. No caso dos nomes próprios, foi possível observar que as duas principais teorias que tratam deles, a descritivista e a referencialista, não são necessariamente excludentes. Do estudo dos vários autores que, de uma forma ou de outra, aderiram a essas teorias, evidenciou-se que cada uma delas, isoladamente tomada, apresenta deficiências que poderiam ser preenchidas pela outra e que ambas poderiam ser beneficiadas pelo acréscimo do fator contextual. Embora haja consenso quanto ao fato de que, do ponto de vista sintático, os nomes próprios ocupam o lugar do sujeito em sentenças afirmativas e que, do ponto de vista lógico, nomes próprios são todas as expressões nominais definidas, não é suficientemente salientado que, nesse aspecto, os nomes próprios são uma subclasse dos nomes concretos, assim como, de acordo com Ockham, coincidem com os nomes concretos os adjetivos empregados na predicação. Quanto à classe dos nomes abstratos, esta mostrou-se muito mais ampla do que se possa imaginar, abarcando além dos nomes abstratos de qualidades, derivados de adjetivos, também os nomes de ação e de estados, de derivação verbal, e os nomes quantificados (pela aposição de sufixos como edo, al, ama) ou massificados (pela aposição de sufixos como ada), de derivação substantival. No que diz respeito aos nomes coletivos, a pesquisa mostrou que, por exemplo, quando são examinados em sua forma desenvolvida (grupo de flores, no lugar de buquê), estes formam uma classe conspícua e de vasta aplicação. Além disso, o estudo dessa categoria abriu um interessante questionamento no que diz respeito à denotação dos nomes de espécies, pois os nomes coletivos teriam, apesar do atributo, uma extensão menor daquela dos nomes comuns. Os nomes de eventos constituíram também um assunto que não pode ser examinado apenas do ponto de vista semântico. No decorrer da pesquisa, este assunto levantou importantes aspectos morfológicos e sintáticos, pois, contrariamente ao que é consenso na literatura, os nomes de evento não parecem ser necessariamente de derivação verbal. No português, por exemplo, foram detectados vários nomes não deverbais que denotam eventos (festa, desastre, neblina, etc.), que são selecionados pelos mesmos verbos que selecionam os nomes de eventos derivados.
This work discusses the morphosyntatic, semantic and conceptual statute of nominal categories from the denominations found in textbooks and academic writings. The main purpose is to clarify some aspects which remain obscure in the literature, mainly in regard to extensions of particular nominal categories. The categories discussed are the proper names, the concrete and abstract names, the event nouns and collective nouns. Particularities related to interpretations of different nominal categories are investigated as possible triggers of different denotation modes. Formal Semantics is the starting point of this work, which also has contributions from other subareas of Linguistics and from Philosophy of Language as well. Due to the lack of recent theoretical framework, arguments have been searched either in authors deriving from the philosophical area such as Russell, Wittgenstein and Varzi, or in not frequently studied nowadays linguists, like Jespersen and Pichon. The development of this research, which prioritized as its main analysis object Brazilian Portuguese, seems to point out some relevant aspects in the differentiation and delimitation of the nominal classes supra cited. Regarding proper names, it was possible to observe that the two main theories that deal with them, the descriptivist and referentialist ones, are not necessarily excludent. Considering the authors who somehow adhered to these theories, it became evident that each of them presents deficiencies that could be filled by the other and that both would benefit from the addition of the contextual factor. Despite of the consensus about the fact that, according to the syntactic point of view, proper names occupy the subject position in affirmative sentences and that, according to the logical point of view, proper names are all the definite nominal expressions, it is not enough highlighted that, in respect to that, proper names are a subclass of concrete names, likewise, to Ockham, III coincide with concrete nouns the adjectives used in predication. Concerning the abstract names class, it turned out to be much larger than could be expected, including not only the abstract names of qualities, but also nouns of actions and states, of verbal derivation, and the nouns quantified (by the adposition of suffixes like -edo, -al, -ama) or massified (by the adposition of suffixes like -ada), of nominal derivation. With respect to collective nouns, the research revealed that, for instance, when examined in their developed form grupo de flores (group of flowers) instead of buquê (bouquet), they represent a conspicuous class of large application. Additionally, the study of this category led to an interesting questioning of the species names denotation because the collective nouns seem to have, besides the attribute, a smaller extension than that of common names. Similarly, event nouns cant be analyzed only on a semantic basis. As the research advanced, this issue raised important morphological and syntactic aspects, because in spite of the consensus found in the literature, event nouns dont seem to be necessarily derived from verbs. In Portuguese, for example, there are non-deverbal event nouns like festa (party), desastre (disaster), neblina (fog), etc., which are selected by the same verbs that select the derived event nouns.

APA, Harvard, Vancouver, ISO, and other styles

30

Brown, Charity. "Verbal overshadowing of face and car recognition." Thesis, University of Kent, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.269058.

Full text

APA, Harvard, Vancouver, ISO, and other styles

31

Chen, Xuqian. "Effects of grammatical gender and category repetition in true and false recognition memory." [S.l. : s.n.], 2008. http://nbn-resolving.de/urn:nbn:de:bsz:16-opus-89293.

Full text

APA, Harvard, Vancouver, ISO, and other styles

32

Jankowicz, Damian Becker Suzanna. "Modeling category-specific deficits using topographic, corpus-derived representations." *McMaster only, 2004.

Find full text

APA, Harvard, Vancouver, ISO, and other styles

33

Lorandi, Ana María, and Cora Bunster. "Reflexiones sobre las categorias semanticas en las fuentes del Tucuman colonial, los valles calchaquies." Pontificia Universidad Católica del Perú, 2014. http://repositorio.pucp.edu.pe/index/handle/123456789/121629.

Full text

APA, Harvard, Vancouver, ISO, and other styles

34

Kavvos, Georgios Alexandros. "On the semantics of intensionality and intensional recursion." Thesis, University of Oxford, 2017. https://ora.ox.ac.uk/objects/uuid:f89b46d8-b514-42fd-9321-e2803452681f.

Full text

Abstract:

Intensionality is a phenomenon that occurs in logic and computation. In the most general sense, a function is intensional if it operates at a level finer than (extensional) equality. This is a familiar setting for computer scientists, who often study different programs or processes that are interchangeable, i.e. extensionally equal, even though they are not implemented in the same way, so intensionally distinct. Concomitant with intensionality is the phenomenon of intensional recursion, which refers to the ability of a program to have access to its own code. In computability theory, intensional recursion is enabled by Kleene's Second Recursion Theorem. This thesis is concerned with the crafting of a logical toolkit through which these phenomena can be studied. Our main contribution is a framework in which mathematical and computational constructions can be considered either extensionally, i.e. as abstract values, or intensionally, i.e. as fine-grained descriptions of their construction. Once this is achieved, it may be used to analyse intensional recursion. To begin, we turn to type theory. We construct a modal λ-calculus, called Intensional PCF, which supports non-functional operations at modal types. Moreover, by adding Löb's rule from provability logic to the calculus, we obtain a type-theoretic interpretation of intensional recursion. The combination of these two features is shown to be consistent through a confluence argument. Following that, we begin searching for a semantics for Intensional PCF. We argue that 1-category theory is not sufficient, and propose the use of P-categories instead. On top of this setting we introduce exposures, which are P-categorical structures that function as abstractions of well-behaved intensional devices. We produce three examples of these structures, based on Gödel numberings on Peano arithmetic, realizability theory, and homological algebra. The language of exposures leads us to a P-categorical analysis of intensional recursion, through the notion of intensional fixed points. This, in turn, leads to abstract analogues of classic intensional results in logic and computability, such as Gödel's Incompleteness Theorem, Tarski's Undefinability Theorem, and Rice's Theorem. We are thus led to the conclusion that exposures are a useful framework, which we propose as a solid basis for a theory of intensionality. In the final chapters of the thesis we employ exposures to endow Intensional PCF with an appropriate semantics. It transpires that, when interpreted in the P-category of assemblies on the PCA K1, the Löb rule can be interpreted as the type of Kleene's Second Recursion Theorem.

APA, Harvard, Vancouver, ISO, and other styles

35

Wu, Hoi-shan Sharon. "The internal representation of a nominal category in Cantonese-speaking children." Click to view the E-thesis via HKUTO, 1999. http://sunzi.lib.hku.hk/hkuto/record/B36210079.

Full text

Abstract:

Thesis (B.Sc)--University of Hong Kong, 1999.
"A dissertation submitted in partial fulfilment of the requirements for the Bachelor of Science (Speech and Hearing Sciences), The University of Hong Kong, September 2, 1999." Also available in print.

APA, Harvard, Vancouver, ISO, and other styles

36

Yemane, Kidane. "Relations in Models of Calculi and Logics with Names." Doctoral thesis, Uppsala : Acta Universitatis Upsaliensis : Univ.-bibl. [distributör], 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-6245.

Full text

APA, Harvard, Vancouver, ISO, and other styles

37

Fallgren, Per. "Thoughts don't have Colour, do they? : Finding Semantic Categories of Nouns and Adjectives in Text Through Automatic Language Processing." Thesis, Linköpings universitet, Institutionen för datavetenskap, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-138641.

Full text

Abstract:

Not all combinations of nouns and adjectives are possible and some are clearly more fre- quent than other. With this in mind this study aims to construct semantic representations of the two types of parts-of-speech, based on how they occur with each other. By inves- tigating these ideas via automatic natural language processing paradigms the study aims to find evidence for a semantic mutuality between nouns and adjectives, this notion sug- gests that the semantics of a noun can be captured by its corresponding adjectives, and vice versa. Furthermore, a set of proposed categories of adjectives and nouns, based on the ideas of Gärdenfors (2014), is presented that hypothetically are to fall in line with the produced representations. Four evaluation methods were used to analyze the result rang- ing from subjective discussion of nearest neighbours in vector space to accuracy generated from manual annotation. The result provided some evidence for the hypothesis which suggests that further research is of value.

APA, Harvard, Vancouver, ISO, and other styles

38

Fukihara, Yoji. "Generalization of Bounded Linear Logic and its Categorical Semantics." Doctoral thesis, Kyoto University, 2021. http://hdl.handle.net/2433/263441.

Full text

APA, Harvard, Vancouver, ISO, and other styles

39

Maskharashvili, Aleksandre. "Discourse Modeling with Abstract Categorial Grammars." Thesis, Université de Lorraine, 2016. http://www.theses.fr/2016LORR0195/document.

Full text

Abstract:

Ce mémoire de thèse traite de la modélisation du discours dans le cadre grammatical des Grammaires Catégorielles Abstraites (Abstract Categorial Grammars, ACGs). Les ACGs offrent un cadre unifié pour la modélisation de la syntaxe et de la sémantique. Nous nous intéressons en particulier aux formalismes discursifs qui utilisent une approche grammaticale pour rendre compte des régularités des structures discursives. Nous proposons en particulier un encodage à l'aide des ACGs de deux formalismes discursifs : G-TAG et D-STAG. Ces encodages permettent d'éclairer le problème des connecteurs discursifs médiaux que les formalismes s'appuyant sur TAG ne traitent pas, du moins pas par un mécanisme grammatical. En effet, pour prendre en compte ces connecteurs, G-TAG et D-STAG utilisent une étape extra-grammaticale. Notre encodage offre au contraire une approche purement grammaticale de la prise en compte de ces connecteurs discursifs. Ces encodages se font à l'aide d'ACGs de second ordre. Les grammaires de cette classe ont des propriétés de réversibilité qui nous permettent d'utiliser les mêmes algorithmes polynômiaux aussi bien pour l'analyse discursive que pour la génération de discours
This dissertation addresses the questions of discourse modeling within a grammatical framework called Abstract Categorial Grammars (ACGs). ACGs provide a unified framework for both syntax and semantics. We focus on the discourse formalisms that make use of a grammatical approach to capture the discourse structure regularities. In particular, we propose ACG encodings of two discourse formalisms: G-TAG and D-STAG. These ACG encodings shed light on the problem of clause-medial connectives that the G-TAG and D-STAG grammars leave out of account. Both G-TAG and D-STAG make use of an extra-grammatical processing to deal with discourse connectives that appear at clause-medial positions. In contrast, the ACG encodings of G-TAG and D-STAG offer a purely grammatical approach to clause-medial connectives. Each of these ACG encodings are second-order. Grammars of this class have reversibility properties that allow us to use the same polynomial algorithmes both for the discourse parsing and generation tasks

APA, Harvard, Vancouver, ISO, and other styles

40

Thomas, R. M. "The anatomical and functional correlates of category-specificity." Thesis, Aston University, 2004. http://publications.aston.ac.uk/12262/.

Full text

Abstract:

The dramatic effects of brain damage can provide some of the most interesting insights into the nature of normal cognitive performance. In recent years a number of neuropsychological studies have reported a particular form of cognitive impairment where patients have problems recognising objects from one category but remain able to recognise those from others. The most frequent ‘category-specific’ pattern is an impairment identifying living things, compared to nonliving things. The reverse pattern of dissociation, i.e., an impairment recognising and naming nonliving things relative to living things, has been reported albeit much less frequently. The objective of the work carried out in this thesis was to investigate the organising principles and anatomical correlates of stored knowledge for categories of living and nonliving things. Three complementary cognitive neuropsychological research techniques were employed to assess how, and where, this knowledge is represented in the brain: (i) studies of normal (neurologically intact) subjects, (ii) case-studies of neurologically impaired patients with selective deficits in object recognition, and (iii) studies of the anatomical correlates of stored knowledge for living and nonliving things on the brain using magnetoencephalography (MEG). The main empirical findings showed that semantic knowledge about living and nonliving things is principally encoded in terms of sensory and functional features, respectively. In two case-study chapters evidence was found supporting the view that category-specific impairments can arise from damage to a pre-semantic system, rather than the assumption often made that the system involved must be semantic. In the MEG study, rather than finding evidence for the involvement of specific brain areas for different object categories, it appeared that, when subjects named and categorised living and nonliving things, a non-differentiated neural system was involved.

APA, Harvard, Vancouver, ISO, and other styles

41

Nordström, Henrik. "Brain processing of affective picture stimuli: Modulations of the Late Positive Potential for semantic categories of pictures." Thesis, Stockholm University, Department of Psychology, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-40367.

Full text

Abstract:

Affective brain processing of emotional pictures varies in regards to emotional dimensions of valence and arousal, but little research has studied effects of semantic content. To study the effects of semantic picture content on the late positive potential, event-related potentials were recorded from forty participants while they viewed 375 standard emotional pictures that were grouped into categories of semantic content. Results showed that semantic content had a significant effect on the amplitude of the late positive potential even after controlling for valence and arousal. However, a significant effect from any specific category could not be isolated. These findings suggest that semantic picture content is an important variable to consider in studies investigating the late positive potential in affective picture brain processing.

APA, Harvard, Vancouver, ISO, and other styles

42

Menezes, Paulo Fernando Blauth. "Reificação de objetos concorrentes." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 1997. http://hdl.handle.net/10183/18396.

Full text

Abstract:

Autômatos não-seqüenciais constituem um domínio semântico categorial do tipo não-intercalação para sistemas reativos, comunicantes e concorrentes.É baseado em sistemas de transições etiquetados, inspirado em "Redes de Petri são Monóides" de Meseguer e Montanari, onde as operações de sincronização e encapsulação são funtoriais e as reificações constituem uma classe de morfismos especiais. Do que se tem conhecimento, é o primeiro modelo de concorrência a satisfazer a composicionalidade diagonal, ou seja, onde as reificações compõem (verticalmente) e distribuem-se sobre a composição paralela (verticalmente). Adjunções entre autômatos não-seqüenciais, redes de Petri e autômatos seqüenciais são introduzidas estendendo a abordagem de Winskel, Nielsen e Sassone onde é proposta uma classificação formal para modelos de concorrência. Dos passos que envolvem a passagem de um modelo para outro, pode-se inferir que os autômatos não-seqüenciais são mais concretos do que as redes de Petri e os autômatos seqüenciais. Para experimentar o domínio semântico proposto, é dada semântica a uma linguagem concorrente, baseada nos objetos, denominada Náutilus. Trata-se de uma versão simplificada e revisada da linguagem de especificação orientada aos objetos GNOME, onde são introduzidos algumas facilidades especiais, inspiradas no domínio semântico, como a reificação e a agregação. Neste contexto, a composicionalidade diagonal é uma propriedade essencial para dar a semântica.
Nonsequential automata constitute a non-interleaving categorial semantic domain for reactive, communicating and concurrent systems. It is based on labeled transition systems, inspired by Meseguer and Montanari's "Petri Nets are Monoids", where synchronization and encapsulation operations are functorial and a class of morphisms stands for reification. It is, for our knowledge, the first model for concurrency which satisfies the diagonal compositionality requirement, i. e., reifications compose (vertical) and distribute over the parallel composition (horizontal). Adjunctions between nonsequential automata, Petri nets and sequential automata are provided extending the approach of Winskel, Nielsen and Sassone where a scene for a formal classification of models for concurrency is set. The steps of abstraction involved in moving between models show that nonsequential automata are more concrete than Petri nets and sequential automata. To experiment with the proposed semantic domain, a semantics for a concurrent, object-based language named Nautilus is given. It is a simplified and revised version of the object-oriented specification language GNOME, introducing some special features inspired by the semantic domain such as reification and aggregation. The diagonal compositionality is an essential property to give semantics in this context.

APA, Harvard, Vancouver, ISO, and other styles

43

Hodge, Kevin Abbott. "Transfer of training as a function of semantic relatedness in a category search task." Thesis, Georgia Institute of Technology, 1991. http://hdl.handle.net/1853/28853.

Full text

APA, Harvard, Vancouver, ISO, and other styles

44

Gaillard, Marie-José. "Les effets categoriels specifiques et leur dynamique evolutive dans la maladie d'alzheimer." Caen, 1999. http://www.theses.fr/1999CAEN1273.

Full text

Abstract:

Cette etude rapporte les resultats obtenus par un groupe de vingt trois patients atteints d'une maladie d'alzheimer probable a une tache de denomination de cent soixante et onze images appartenant aux categories biologiques et objets manufactures. La methode controlait des parametres lies aux images (consensus en denomination, pourcentage de la reponse majoritaire des temoins, nombre de reponses differentes, familiarite, complexite visuelle et canonicite) obtenus par des temoins et des parametres lies aux mots (frequence d'usage, nombre de lettres et de syllabes). Une regression logistique pas a pas a ete effectuee pour attester du role joue par l'appartenance a la categorie. Aucun effet categoriel significatif ne fut mis en evidence au niveau du groupe. En revanche, trois patients montraient un effet categoriel significatif, deux en faveur des categories d'objets manufactures, un en faveur des categories biologiques. L'etude de ces cas uniques multiples a montre que l'effet categoriel specifique n'etait pas du a la severite ni de la maladie, ni du trouble de la denomination. Le suivi longitudinal de onze patients a retrouve un cas d'alteration categorielle stable des categories biologiques et plusieurs atteintes transitoires pour les categories d'objets manufactures. Ces resultats ont ete discutes au regard des differentes theories explicatives des effets categoriels, l'observation d'une dissociation stable a conforte l'hypothese des domaines de connaissances specifiques. La proportion des differents types d'erreurs et leur evolution dans le temps etait comparable entre les deux categories, meme dans le cas ou il existait un effet categoriel. Enfin, la meme methodologie utilisee aupres de cinq patients souffrant d'une demence semantique n'a pas retrouve d'effet categoriel.

APA, Harvard, Vancouver, ISO, and other styles

45

Feijóo, Antolín Sara. "Learning from the input: syntactic, semantic and phonological cues to the noun category in English." Doctoral thesis, Universitat de Barcelona, 2010. http://hdl.handle.net/10803/673498.

Full text

Abstract:

Las líneas centrales de la teoría lingüística de los últimos años han descrito la adquisición y el desarrollo de primeras lenguas como un proceso basado en el conocimiento innato de las propiedades gramaticales de la lengua por parte de los niños aprendices. Tales descripciones del desarrollo sintáctico asumen que el entorno lingüístico al que los niños están expuestos es demasiado limitado como para dar lugar al aprendizaje de una lengua (es decir, el llamado argumento de la pobreza del estímulo). Así pues, según esta visión, es el conocimiento lingüístico innato lo que permite a los niños llegar a ser hablantes competentes de su propia lengua nativa. Este estudio se plantea el objetivo de cuestionar esta visión y muestra evidencia empírica con la que se puede inferir que los niños pueden adquirir conocimientos gramaticales a partir de la experiencia y de la información que reciben del entorno.

APA, Harvard, Vancouver, ISO, and other styles

46

Gilbert, J. R. "A systematic exploration of perceptual and semantic differences in category-specific object-processing using magnetoencephalography." Thesis, Aston University, 2010. http://publications.aston.ac.uk/10309/.

Full text

Abstract:

In a series of experiments, we tested category-specific activation in normal parti¬cipants using magnetoencephalography (MEG). Our experiments explored the temporal processing of objects, as MEG characterises neural activity on the order of milliseconds. Our experiments explored object-processing, including assessing the time-course of ob¬ject naming, early differences in processing living compared with nonliving objects and processing objects at the basic compared with the domain level, and late differences in processing living compared with nonliving objects and processing objects at the basic compared with the domain level. In addition to studies using normal participants, we also utilised MEG to explore category-specific processing in a patient with a deficit for living objects. Our findings support the cascade model of object naming (Humphreys et al., 1988). In addition, our findings using normal participants demonstrate early, category-specific perceptual differences. These findings are corroborated by our patient study. In our assessment of the time-course of category-specific effects as well as a separate analysis designed to measure semantic differences between living and nonliving objects, we found support for the sensory/motor model of object naming (Martin, 1998), in addition to support for the cascade model of object naming. Thus, object processing in normal participants appears to be served by a distributed network in the brain, and there are both perceptual and semantic differences between living and nonliving objects. A separate study assessing the influence of the level at which you are asked to identify an object on processing in the brain found evidence supporting the convergence zone hypothesis (Damasio, 1989). Taken together, these findings indicate the utility of MEG in exploring the time-course of object processing, isolating early perceptual and later semantic effects within the brain.

APA, Harvard, Vancouver, ISO, and other styles

47

Lo, Melody Lueen Woun. "Understanding semantic and phonological processing deficits in adults with aphasia: effects of category and typicality." Thesis, Boston University, 2013. https://hdl.handle.net/2144/12151.

Full text

Abstract:

Thesis (M.S.)--Boston University
Background: Semantic and phonological processing deficits are often present in aphasia. The degree of interdependence between the deficits has been widely studied with variable findings. Within semantic processing, category and typicality are proposed to influence accuracy and response time on semantic tasks in both healthy and aphasic subjects. Aims: This study examines the nature of semantic-phonological access in aphasia by comparing adults with aphasia to healthy control subjects. Three semantic tasks and three phonological tasks containing typical and atypical items of six semantic categories were used to assess the difference in category and typicality effects between persons with aphasia and healthy adults. Finally, we aim to identify demographic factors and formal language measures that correlate with semantic and phonological processing performance. Methods: Twenty patients with aphasia and ten neurologically healthy adults were administered six tasks: category superordinate, category coordinate, semantic feature verification, syllable judgment, rhyme judgment, and phoneme verification. Accuracy and reaction time data were collected and analyzed as three conditions: 1) phonological no name, 2) phonological name provided, and 3) semantic. Results: Patients with aphasia performed with significantly lower accuracy than controls, with greater between-group difference on phonological tasks than on semantic tasks. Patients were significantly slower than control on semantic and phonological no name conditions, but showed no difference on the name provided condition. Both patient and control groups showed category effect on semantic accuracy. The only category effect found on RT was controls on the phonological no name condition. Control showed an effect of typicality on the semantic condition for accuracy while patients showed it for RT. Correlations were found between language measures and education and task performance. Conclusions: Patients demonstrated greater phonological than semantic deficits. Both patient and control groups showed effect of category, but patients showed a reduced effect of typicality. Category and typicality effects are robust in semantic tasks, but not in either phonological task conditions, providing support for discrete serial processing models of lexical processing. Education level was found to be a predictor for semantic boundary knowledge, but not for phonological processing skills.

APA, Harvard, Vancouver, ISO, and other styles

48

Hagihara, Hiromichi. "The Differentiation of Early Word Meanings from Global to Specific Categories: Towards a Verification of the“Semantic Pluripotency Hypothesis”." Doctoral thesis, Kyoto University, 2021. http://hdl.handle.net/2433/263725.

Full text

Abstract:

京都大学
新制・課程博士
博士(人間・環境学)
甲第23264号
人博第979号
京都大学大学院人間・環境学研究科相関環境学専攻
(主査)教授阪上雅昭, 教授谷口一美, 准教授森口佑介
学位規則第4条第1項該当
Doctor of Human and Environmental Studies
Kyoto University
DGAM

APA, Harvard, Vancouver, ISO, and other styles

49

Giannossa, Leonardo. "A Corpus-based Investigation of Lexical Cohesion in EN and IT Non-translated Texts and in IT Translated Texts." Kent State University / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=kent1339787549.

Full text

APA, Harvard, Vancouver, ISO, and other styles

50

Laurila, Linda. "Neuropsychology of Semantic Memory: Theories, Models, and Tests." Thesis, University of Skövde, School of Humanities and Informatics, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:his:diva-67.

Full text

Abstract:

Semantic memory is part of the long-term memory system, and there are several theories concerning this type of memory. Some of these will be described in this essay. There are also several types of neuropsychological semantic memory deficits. For example, test results have shown that patients tend to have more difficulties naming living than nonliving things, and one probable explanation is that living things are more dependent on sensory than on functional features. Description of concrete concepts is a new test of semantic memory, in which cueing is used, both to capture the maximum performance of patients, and to give insight into the access versus storage problem. The theoretical ideas and empirical results relating to this new test will be described in detail. Furthermore, other tests of semantic memory that have been commonly used will also be briefly described. In conclusion semantic memory is a complex cognitive system that needs to be studied further.

APA, Harvard, Vancouver, ISO, and other styles

We offer discounts on all premium plans for authors whose works are included in thematic literature selections. Contact us to get a unique promo code!