Relevant bibliographies by topics / Hallucination

Academic literature on the topic 'Hallucination'

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Published: 4 June 2021
Last updated: 11 March 2023

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Journal articles on the topic "Hallucination"

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Niikawa, Takuya. "Naïve Realism and the Conception of Hallucination as Non-Sensory Phenomena." Disputatio 9, no. 46 (November 27, 2017): 353–81. http://dx.doi.org/10.1515/disp-2017-0010.

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Abstract In defence of naïve realism, Fish has advocated an eliminativist view of hallucination, according to which hallucinations lack visual phenomenology. Logue, and Dokic and Martin, respectively, have developed the eliminativist view in different manners. Logue claims that hallucination is a non-phenomenal, perceptual representational state. Dokic and Martin maintain that hallucinations consist in the confusion of monitoring mechanisms, which generates an affective feeling in the hallucinating subject. This paper aims to critically examine these views of hallucination. By doing so, I shall point out what theoretical requirements are imposed on naïve realists who characterize hallucinations as non-visual-sensory phenomena.
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Varese, F., E. Barkus, and R. P. Bentall. "Dissociation mediates the relationship between childhood trauma and hallucination-proneness." Psychological Medicine 42, no. 5 (September 6, 2011): 1025–36. http://dx.doi.org/10.1017/s0033291711001826.

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BackgroundIt has been proposed that the relationship between childhood trauma and hallucinations can be explained by dissociative processes. The present study examined whether the effect of childhood trauma on hallucination-proneness is mediated by dissociative tendencies. In addition, the influence of dissociative symptoms on a cognitive process believed to underlie hallucinatory experiences (i.e. reality discrimination; the capacity to discriminate between internal and external cognitive events) was also investigated.MethodPatients with schizophrenia spectrum disorders (n=45) and healthy controls (with no history of hallucinations;n=20) completed questionnaire measures of hallucination-proneness, dissociative tendencies and childhood trauma, as well as performing an auditory signal detection task.ResultsCompared to both healthy and non-hallucinating clinical controls, hallucinating patients reported both significantly higher dissociative tendencies and childhood sexual abuse. Dissociation positively mediated the effect of childhood trauma on hallucination-proneness. This mediational role was particularly robust for sexual abuse over other types of trauma. Signal detection abnormalities were evident in hallucinating patients and patients with a history of hallucinations, but were not associated with pathological dissociative symptoms.ConclusionsThese results are consistent with dissociative accounts of the trauma-hallucinations link. Dissociation, however, does not affect reality discrimination. Future research should examine whether other cognitive processes associated with both dissociative states and hallucinations (e.g. deficits in cognitive inhibition) may explain the relationship between dissociation and hallucinatory experiences.
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Hoffman, Ralph E., Brian Pittman, R. Todd Constable, Zubin Bhagwagar, and Michelle Hampson. "Time course of regional brain activity accompanying auditory verbal hallucinations in schizophrenia." British Journal of Psychiatry 198, no. 4 (April 2011): 277–83. http://dx.doi.org/10.1192/bjp.bp.110.086835.

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BackgroundThe pathophysiology of auditory verbal hallucinations remains poorly understood.AimsTo characterise the time course of regional brain activity leading to auditory verbal hallucinations.MethodDuring functional magnetic resonance imaging, 11 patients with schizophrenia or schizoaffective disorder signalled auditory verbal hallucination events by pressing a button. To control for effects of motor behaviour, regional activity associated with hallucination events was scaled against corresponding activity arising from random button-presses produced by 10 patients who did not experience hallucinations.ResultsImmediately prior to the hallucinations, motor-adjusted activity in the left inferior frontal gyrus was significantly greater than corresponding activity in the right inferior frontal gyrus. In contrast, motor-adjusted activity in a right posterior temporal region overshadowed corresponding activity in the left homologous temporal region. Robustly elevated motor-adjusted activity in the left temporal region associated with auditory verbal hallucinations was also detected, but only subsequent to hallucination events. At the earliest time shift studied, the correlation between left inferior frontal gyrus and right temporal activity was significantly higher for the hallucination group compared with non-hallucinating patients.ConclusionsFindings suggest that heightened functional coupling between the left inferior frontal gyrus and right temporal regions leads to coactivation in these speech processing regions that is hallucinogenic. Delayed left temporal activation may reflect impaired corollary discharge contributing to source misattribution of resulting verbal images.
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Brébion, G., A. S. David, R. A. Bressan, R. I. Ohlsen, and L. S. Pilowsky. "Hallucinations and two types of free-recall intrusion in schizophrenia." Psychological Medicine 39, no. 6 (December 11, 2008): 917–26. http://dx.doi.org/10.1017/s0033291708004819.

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BackgroundPrevious research has demonstrated that various types of verbal source memory error are associated with positive symptoms in patients with schizophrenia. Notably, intrusions in free recall have been associated with hallucinations and delusions. We tested the hypothesis that extra-list intrusions, assumed to arise from poor monitoring of internally generated words, are associated with verbal hallucinations and that intra-list intrusions are associated with global hallucination scores.MethodA sample of 41 patients with schizophrenia was administered four lists of words, followed by free recall. The number of correctly recalled words and the number of extra- and intra-list intrusions were tallied.ResultsThe verbal hallucination score was significantly correlated with the number of extra-list intrusions, whereas it was unrelated to the number of correctly recalled words. The number of intra-list intrusions was significantly correlated with the global, but not with the verbal, hallucination score in the subsample of hallucinating patients. It was marginally significantly correlated with the delusion score in delusional patients.ConclusionsThe data corroborate the view that verbal hallucinations are linked to defective monitoring of internal speech, and that errors in context processing are involved in hallucinations and delusions.
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de Haan, S. "Philosophical Interpretations and Existential Effects of Hallucinations." European Psychiatry 24, S1 (January 2009): 1. http://dx.doi.org/10.1016/s0924-9338(09)70386-4.

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Within philosophy, hallucinations have served as a paradigmatic test-case for epistemology in general and for theories of perception in particular. The differentiation of hallucinations from “real-life-perception” poses some interesting problems. Here, I will focus on two opposing views: first the view of hallucination as a failure of a metacognitive ability, and second a phenomenologically based view of hallucinations as a disturbance of experiential world-directedness.Our theoretical understanding of hallucinations however, should take the highly unsettling existential effects on the patients themselves into account as well. As one admits to have experienced a hallucination, this calls into question one's entire capability of perception in general. For how can one be sure not to be hallucinating again? The loss of a basic trust in one's own senses can be so stressful as to aggravate the existing symptoms. These existential effects show that perception cannot be taken as a singular faculty and strengthen the phenomenological approach to hallucinations.
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Schmack, K., M. Bosc, T. Ott, J. F. Sturgill, and A. Kepecs. "Striatal dopamine mediates hallucination-like perception in mice." Science 372, no. 6537 (April 1, 2021): eabf4740. http://dx.doi.org/10.1126/science.abf4740.

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Hallucinations, a central symptom of psychotic disorders, are attributed to excessive dopamine in the brain. However, the neural circuit mechanisms by which dopamine produces hallucinations remain elusive, largely because hallucinations have been challenging to study in model organisms. We developed a task to quantify hallucination-like perception in mice. Hallucination-like percepts, defined as high-confidence false detections, increased after hallucination-related manipulations in mice and correlated with self-reported hallucinations in humans. Hallucination-like percepts were preceded by elevated striatal dopamine levels, could be induced by optogenetic stimulation of mesostriatal dopamine neurons, and could be reversed by the antipsychotic drug haloperidol. These findings reveal a causal role for dopamine-dependent striatal circuits in hallucination-like perception and open new avenues to develop circuit-based treatments for psychotic disorders.
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Rogers, Sebastian, Rebecca Keogh, and Joel Pearson. "Hallucinations on demand: the utility of experimentally induced phenomena in hallucination research." Philosophical Transactions of the Royal Society B: Biological Sciences 376, no. 1817 (December 14, 2020): 20200233. http://dx.doi.org/10.1098/rstb.2020.0233.

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Despite the desire to delve deeper into hallucinations of all types, methodological obstacles have frustrated development of more rigorous quantitative experimental techniques, thereby hampering research progress. Here, we discuss these obstacles and, with reference to visual phenomena, argue that experimentally induced phenomena (e.g. hallucinations induced by flickering light and classical conditioning) can bring hallucinations within reach of more objective behavioural and neural measurement. Expanding the scope of hallucination research raises questions about which phenomena qualify as hallucinations, and how to identify phenomena suitable for use as laboratory models of hallucination. Due to the ambiguity inherent in current hallucination definitions, we suggest that the utility of phenomena for use as laboratory hallucination models should be represented on a continuous spectrum, where suitability varies with the degree to which external sensory information constrains conscious experience. We suggest that existing strategies that group pathological hallucinations into meaningful subtypes based on hallucination characteristics (including phenomenology, disorder and neural activity) can guide extrapolation from hallucination models to other hallucinatory phenomena. Using a spectrum of phenomena to guide scientific hallucination research should help unite the historically separate fields of psychophysics, cognitive neuroscience and clinical research to better understand and treat hallucinations, and inform models of consciousness. This article is part of the theme issue ‘Offline perception: voluntary and spontaneous perceptual experiences without matching external stimulation’.
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Kim, Jeonghee, Derrick Knox, and Hangue Park. "Forehead Tactile Hallucination Is Augmented by the Perceived Risk and Accompanies Increase of Forehead Tactile Sensitivity." Sensors 21, no. 24 (December 10, 2021): 8246. http://dx.doi.org/10.3390/s21248246.

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Tactile hallucinations frequently occur after mental illnesses and neurodegenerative diseases like Alzheimer’s and Parkinson’s disease. Despite their common occurrence, there are several complicating factors that make it difficult to elucidate the tactile hallucinations. The forehead tactile hallucination, evoked by the physical object approaching to the forehead, can be easily and consistently evoked in healthy-bodied subjects, and therefore it would help with investigating the mechanism of tactile hallucinations. In this pilot study, we investigated the principles of the forehead tactile hallucination with eight healthy subjects. We designed the experimental setup to test the effect of sharpness and speed of objects approaching towards the forehead on the forehead tactile hallucination, in both a physical and virtual experimental setting. The forehead tactile hallucination was successfully evoked by virtual object as well as physical object, approaching the forehead. The forehead tactile hallucination was increased by the increase of sharpness and speed of the approaching object. The forehead tactile hallucination also increased the tactile sensitivity on the forehead. The forehead tactile hallucination can be solely evoked by visual feedback and augmented by the increased perceived risk. The forehead tactile hallucination also increases tactile sensitivity. These experimental results may enhance the understanding of the foundational mechanisms of tactile hallucinations.
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Yang, Chunhui, Jasir T. Nayati, Khurram Janjua, Asma Ahmed, Angela Rekhi, and Alan R. Hirsch. "119 Refraction Focus Hallucination: The Role of Increased Excitation at Thalamus in Complex Visual Hallucination." CNS Spectrums 23, no. 1 (February 2018): 75–76. http://dx.doi.org/10.1017/s1092852918000172.

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AbstractStudy Objective(s)The pathogenesis of complex visual hallucination in patients without visual lesions, appearing with eyes open and resolving with eyes closed, has been described to be associated with increased excitation at the lateral geniculate nucleus (LGN) and pulvinar of the thalamus (Winton-Brown, 2016). This reduces thefidelity of retinogeniculate transmissions and enhances aberrant projections to the visual cortex. Loss of the central sensory filtering function of the pulvinar increases “signal to noise ratio” in visual transmission. While visual hallucinations have been reported to disappear on eye closure (Manford, 1998), visual aberration with correction with refractionfollowed by focusing on actual visual images and visual hallucinations has not heretofore been reported. Such a case is presented.MethodCase study: This 28-year-old, myopic, right-handed man, at 5 years of age began hallucinating vivid images of people. The visual hallucinations were triggered only with his eye open. He was myopic and without visual correction, his visual sphere would be blurred. The visual hallucinations were also blurred without visual correction. With refraction, the hallucinations became clearly in focus. He would close his eyes and the visual hallucinations disappeared but would reappear in the same position upon opening his eyes. For over 20 years, he experienced about 100 hallucinations a day. Electroencephalography (EEG) revealed continuous spikes and slow waves in bilateral temporal lobes, consistent with temporal lobe status epilepticus. After treatment with diphenylhydantoin the frequency and duration of the hallucinations markedly decreased to a second epoch every other day. However, the characteristic of the hallucinations remained the same (people).ResultsThis phenomenon may involve epilepsy induced excitation of the thalamus. This then acts to reduce the fidelity of retinogeniculate transmission and increase “signal to noise ratio” in visual transmission. This may contribute to complex visual hallucinations with eyes open. The hallucinated figures becoming clearer with eyeglasses provides support that this complex hallucination arises in the pathway from retina-LGN-cortex, not from stored visual associated cortex of top-down cortical release.ConclusionsGiven the above, those with visual hallucinations should be queried as to the influence of refraction on the clarity of hallucination.FundingNo funding.
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Kumari, Ranju, Suprakash Chaudhury, and Subodh Kumar. "Dimensions of Hallucinations and Delusions in Affective and Nonaffective Illnesses." ISRN Psychiatry 2013 (August 13, 2013): 1–10. http://dx.doi.org/10.1155/2013/616304.

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The aim of the study was to examine the dimensions of hallucinations and delusions in affective (manic episode, bipolar affective disorder, and depressive episode) and nonaffective disorders (schizophrenia, acute and transient psychotic disorders, and unspecified psychosis). Sixty outpatients divided equally into two groups comprising affective and nonaffective disorders were taken up for evaluation after screening, as per inclusion and exclusion criteria. Scores of 3 or above on delusion and hallucinatory behavior subscales of positive and negative syndrome scale were sufficient to warrant rating on the psychotic symptom rating scales with which auditory hallucination and delusion were assessed on various dimensions. Insight was assessed using the Beck cognitive insight scale (BCIS). There were no significant differences between the two groups on age, sex, marital status, education, and economic status. There were significant differences in total score and emotional characteristic subscale, cognitive interpretation subscale, and physical characteristic subscale of auditory hallucination scales in between the two groups. Correlation between BCIS-total and total auditory hallucinations score was negative (Spearman Rho −0.319; P<0.05). Hallucinating patients, more in nonaffective group, described a negative impact of hallucinating voices along with emotional consequences on their lives which lead to distress and disruption.
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Dissertations / Theses on the topic "Hallucination"

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Cox, Cybele Frances. "Ornamental Hallucination." Thesis, The University of Sydney, 2018. http://hdl.handle.net/2123/20358.

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Ornamental Hallucination proposes to reconstruct a polyphony of ancient Pagan symbols as feminist archetypes to disrupt hegemonic narratives. With the potential to transform reality it pronounces the importance that art has to reinstate the values of creativity and the imagination, envisioning new ways of looking at ourselves in the world, and the possibility for change. It outlines the power obsessed play of mass culture’s construction of manufactured consent by the barrage of twenty-four hours per day of advertising, news media and entertainment. Asserting that the ideas on the psychedelic experience, which sprang from the counter-culture of ‘the 1960’s’ is one way to liberate the mind from the trappings of hegemonic thinking. It claims that as artists are on the periphery of society, it is unlike any other discipline and therefore able to take on absurd theories as a way of critiquing the machinations of established thought. Ornamental Hallucination examines the revival of the feminine principle through a psychedelic framework that links us to nature, or as McKenna says, to Gaian consciousness, via ancient shamanic practices and the invention and construction of positive and mythically empowered feminine role models as a guide for the soul, breaking down binary thinking and reconnecting psychically to our ancestry, to our bodies and lived and shared experience. Using examples of my work, I trace a lineage with other feminist artists, linking them to the theme of the archaic revival. Pagan feminine symbols are interpreted for a contemporary lexicon placing art in ritualistic context and appointing it the role of historical corrective to the ills of cultural engineering. Ornamental Hallucination in its physiological dimension will comprise of four large freestanding ceramic sculptures, one candelabra wall piece, a wall painting and a performance with a costume made from ceramic, found objects, textile and cow horn. All ceramics are fired and painted in oil.
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Lehaire, Célia. "De l'hallucination à la perception : approche développementale et psychopathologique." Thesis, Aix-Marseille, 2016. http://www.theses.fr/2016AIXM3079.

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Notre thèse défend l’idée d’une primauté de l’hallucination sur la perception. En effet, nous verrons, chez Freud et chez Lacan, la structure d’illusion d’une réalité fondée sur un temps inaugural qui est celui de l’hallucination. Ceci nous permettra d’envisager les moments de « vacillements de la perception », autrement dit, l’hallucination en dehors du champ de la psychose. Dans un second temps, nous aborderons l’hallucination psychotique à partir des différentes conceptions psychiatriques, de l’apport de Merleau-Ponty, puis de Freud, avant de voir la critique radicale adressée par Lacan à partir du modèle de l’hallucination verbale. Dans un troisième temps, nous verrons l’intérêt d’une approche différentielle de l’hallucination psychotique – , hallucination visuelle, hallucination corporelle – qui permet de questionner l’hypothèse de l’hallucination verbale en tant que phénomène inaugural. A partir de la clinique de la schizophrénie, nous ferons l’hypothèse de la schize en tant que phénomène hallucinatoire premier, à partir duquel émergent les voix, comme tentative d’interprétation
Our thesis defends the idea of a primacy of hallucination on perception. Indeed we will study first, in Freud and Lacan, the hallucination structure of a reality based on an inaugural time which is the time of hallucination. This will allow us to view the « perception failings moments », that is to say, the hallucination out of psychosis field.Then, we will tackle psychotic hallucination of different psychiatric conceptions, from Merleau-Ponty to Freud. We will finish with the radical critic, expressed by Lacan, from the model of verbal hallucination. In a third time, we will see the interest of a differential approach of the psychotic hallucination : the verbal, visual and corporal ones. This differential approach allows us to question the verbal hallucination hypothesis as an inaugural phenomenon. From the schizophrenic clinic, we will make the hypothesis that the « schize » is an inaugural hallucinatory phenomenon from which emerge voices as a interpretation attempt
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Géraud, Marc. "Histoire de la doctrine des hallucinations chez les psychiatres classiques français d'Esquirol à Ey." Bordeaux 2, 1989. http://www.theses.fr/1989BOR23077.

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Varese, Filippo. "Cognitive, metacognitive and dissociative factors underlying psychotic hallucinations and nonclinical hallucination-proneness." Thesis, Bangor University, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.540423.

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HOLLEMAERT, CATHERINE. "Hallucination et hallucinoses tactiles d'origine parietale." Lille 2, 1992. http://www.theses.fr/1992LIL2M257.

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Locatelli, Roberta. "Relationalism in the face of hallucinations." Thesis, University of Warwick, 2016. http://www.theses.fr/2016PA01H213/document.

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Le relationnalisme affirme que le caractère phénoménal de la perception est en partie constitué par les objets que l’on voit. Malgré son attrait intuitif, il est souvent rejeté en vertu de l'argument de l'hallucination. L'objectif de cette thèse est de défendre le relationnalisme. L'argument fait valoir que, puisque le relationnalisme ne peut être vrai pour les hallucinations, il doit forcément être faux pour les perceptions aussi. En cela, l'argument repose sur le principe de l’indiscernabilité (IND), affirmant que deux expériences qui sont introspectivement indiscernables les unes des autres ont le même caractère phénoménal. Je considère et rejette les autres versions de l'argument qui ne reposent pas sur l'IND. Bien que largement accepté, aucun support satisfaisant pour l'IND n'a encore été présenté. Dans cette thèse, je soutiens que la défense de l'IND requiert que l’on entende la notion d’indiscernabilité employée dans l'IND en un sens impersonnel. Ensuite, j’identifie ce qui motive l'IND : l'intuition que, en vertu de sa superficialité, la nature d'un caractère phénoménal doit être accessible par l'introspection, de concert avec l’idée qu’il est impossible de nier l'IND sans nier par là même la superficialité des caractères phénoménaux.Je soutiens que le relationnaliste peut nier l'IND tout en préservant la superficialité des caractères phénoménaux en adoptant une thèse négative de l'hallucination et en reconsidérant la nature de la relation entre le caractère phénoménal d’une expérience et l’accès introspectif qu'il peut y avoir
Relationalism claims that the phenomenal character of perception is constituted by the obtaining of a non-representational psychological relation to mind-independent objects. Although relationalism provides what seems to be the most straight forward and intuitive account of how experience strikes us introspectively, it is very often believed that the argument from hallucination shows that the view is untenable. The aim of this thesis is to defend relationalism against the argument from hallucination. The argument claims that the phenomenal character of hallucination and perception deserves the same account, and that relationalism cannot be true for hallucinations, therefore relationalism must be rejected. This argument relies on the Indistinguishability Principle (IND), the claim that two experiences that are introspectively indistinguishable from each other have the same phenomenal character. Before assessing the plausibility of this principle, I first consider and dismiss versions of the argument which wouldn’t depend on IND.Although widely accepted, no satisfactory support for IND has been presented yet. In this thesis I argue that defending IND requires that we understand the notion of ‘indiscriminability’ employed in IND in an impersonal sense. I then identify what underwrites IND: the intuition that, in virtue of its superficiality, the nature of a phenomenal character must be accessible through introspection, together with the claim that it is not possible to deny IND without denying the superficiality of phenomenal characters too.I argue that the relationalist can deny IND while preserving the superficiality of phenomenal characters. This can be done by adopting a negative view of hallucination and an account of introspection whereby the phenomenal character doesn’t exist independently of one’s introspective awareness of it and where having introspective access to our experience depends on our perceptual access to the world
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Trimmer, Brian 1971. "An information theoretic approach to veridical hallucination." Thesis, Massachusetts Institute of Technology, 2003. http://hdl.handle.net/1721.1/30115.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Linguistics and Philosophy, February 2004.
Includes bibliographical references (p. 44).
David Lewis, in "Veridical Hallucination and Prosthetic Vision", outlines his views on seeing. He discusses, by way of several examples, unusual visual conditions and gives explanations of why one does or does not see in those conditions. However, it is not always clear exactly how Lewis' views apply to unusual cases. He also admits that he has made mistakes in applying his criteria to examples, in the Postscript to the original article. However, I think Lewis' ideas are worthwhile and would like to expound upon them. In what follows, I hope to provide clearer criteria that are compatible with Lewis' views, and show how such criteria do or do not apply to unusual circumstances. The criteria I will use in place of Lewis derive from a branch of signal theory, called Information Theory. Information Theory is a formal calculus for quantifying and computing the information content of a source or a signal carrying information about a source. It is an attempt to formalize an intuitive notion of information that we all work with. The goal will be to look for discrepancies between the information theoretic criteria and Lewis' conclusions, so cases where there is substantial agreement between Lewis and the information theoretic criteria will be only briefly glossed. Clarification of both views can be obtained by seeing how and why they differ and which view is plausibly correct about the case.
by Brian Trimmer.
S.M.
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Hashimoto, Tomoko. "Hallucination chez Flaubert : poétique de la perception." Paris 8, 2007. http://www.theses.fr/2007PA082859.

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Par quels procédés Flaubert fait-il surgir des mots le chiasme du visible et de l’invisible ? Cette problématique est, certes, bien commune parmi les réflexions sur le roman du XIXe siècle, largement motivé par le désir de représentation visuelle. Pourtant, chez Flaubert, la question comporte un aspect somatique. Non seulement l’étude des recherches physiologiques lui permet d’approfondir ses connaissances quant à la virtualité de l’image, mais encore et surtout ses singulières crises nerveuses lui donne accès à l’expérience de l’hallucination. Notre objectif premier, tout au long de cette étude, consiste à tenter de cerner la manière dont l’écriture peut passer outre le caractère rigide du langage scientifique et l’apparente indicibilité de la sensation. Loin d’être un artefact théorique, la notion même d’hallucination est comprise et incorporée dans le corpus flaubertien qui, in fine, proposera un rapport sensible au monde extérieur, ainsi qu’un mode tout nouveau de perception
How does Flaubert use words to express the unseizable border lines between the visible and the invisible ? This question is a common preoccupation in nineteenth-century novels, motivated as many of them were by a desire to represent the world visually. In Flaubert’s works, this concern is intimately related to representations of the body. While his readings about physiology enabled him to develop his rational understanding of the virtuality of the image, his own experience of nevrotic fits ensured that his knowledge of hallucination was not confined to the realm of the abstract. Our foremost objective in this thesis will be to examine how novelistic writing can circumvent the dryness and rigidity of scientific language, and overcome the apparent ineffability of somatic sensation. Far from being a mere theoretical concept, the notion of hallucination is analyzed in, and incorporated into, Flaubert’s works, which ultimately establish the possibility of a sensory relationship to the world, and inaugurate radically new modes of perception
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Tearle, Oliver M. "Bewilderments of vision : hallucination and literature, 1880-1914." Thesis, Loughborough University, 2011. https://dspace.lboro.ac.uk/2134/8476.

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Hallucination was always the ghost story's elephant in the room. Even before the vogue for psychical research and spiritualism began to influence writers at the end of the nineteenth century, tales of horror and the supernatural, of ghosts and demons, had been haunted by the possibility of some grand deception by the senses. Edgar Allan Poe's stories were full of mad narrators, conscience-stricken criminals and sinners, and protagonists who doubted their very eyes and ears. Writers such as Dickens and Le Fanu continued this idea of the cheat of the senses. But what is certainly true is that, towards the end of the century, hallucination took on a new force and significance in ghostly and horror fiction. Now, its presence was not the dominion of a handful of experimental thinkers but the province of popular authors writing very different kinds of stories. The approaches had become many and diverse, from Arthur Machen's ambivalent interest in occultism to Vernon Lee's passion for art and antiquity. Henry James's The Turn of the Screw (1898) is the most famous text to pose a question that was, in fact, being asked by many writers of the time: reality or delusion? Other writers, too, were forcing their readers to assess whether the ghostly had its origins in some supernatural phenomenon from beyond the grave, or from some deception within our own minds. This thesis explores the many factors which contributed to this rise in the interest in hallucination and visionary experience, during the period 1880-1914. From the time when psychical research became hugely popular, up until the First World War often considered a watershed in the history of the ghost story and literature in general something happened to the ghost story and related fiction. Through a close analysis of stories and novels written by Robert Louis Stevenson, Vernon Lee, Henry James, Arthur Machen, and Oliver Onions, I attempt to find out what happened, and even more importantly why it happened at all.
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Deschamps, Éric. "Hallucinations du sujet age : approche clinique et pathogenique." Nancy 1, 1993. http://www.theses.fr/1993NAN11183.

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Books on the topic "Hallucination"

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Tyler, Parker. The Hollywood hallucination. New York: Garland, 1985.

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Tabucchi, Antonio. Requiem: A hallucination. New York: New Directions Pub. Corp., 1994.

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Perception, hallucination, and illusion. Oxford ; New York: Oxford University Press, 2009.

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Özlü, Demir. Hallucination à Berlin: Récit. Paris: Publisud, 1993.

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Muses, madmen, and prophets: Rethinking the history, science, and meaning of auditory hallucination. New York: Penguin Press, 2007.

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Slade, Peter D. Sensory deception: A scientific analysis of hallucination. London: Croom Helm, 1988.

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Visions of the bereaved: Hallucination or reality? Pittsburgh, PA: Sterling House Publisher, 1998.

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P, Bentall Richard, ed. Sensory deception: A scientific analysis of hallucination. Baltimore: Johns Hopkins University Press, 1988.

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Fire in the brain: Clinical tales of hallucination. New York, NY, U.S.A: Plume, 1993.

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Fire in the brain: Clinical tales of hallucination. New York, N.Y., U.S.A: Dutton, 1992.

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Book chapters on the topic "Hallucination"

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Cutting, J. "Hallucination." In An Experiential Approach to Psychopathology, 301–15. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-29945-7_16.

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Harmon, David M., Sumayya J. Almarzouqi, Michael L. Morgan, and Andrew G. Lee. "Hallucination." In Encyclopedia of Ophthalmology, 1–3. Berlin, Heidelberg: Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-642-35951-4_1270-1.

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Newman, Paul. "Hallucination." In Encyclopedia of Clinical Neuropsychology, 1635–36. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-57111-9_2101.

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Newman, Paul. "Hallucination." In Encyclopedia of Clinical Neuropsychology, 1196–97. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-0-387-79948-3_2101.

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Newman, Paul. "Hallucination." In Encyclopedia of Clinical Neuropsychology, 1. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-56782-2_2101-2.

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Harmon, David M., Sumayya J. Almarzouqi, Michael L. Morgan, and Andrew G. Lee. "Hallucination." In Encyclopedia of Ophthalmology, 838–40. Berlin, Heidelberg: Springer Berlin Heidelberg, 2018. http://dx.doi.org/10.1007/978-3-540-69000-9_1270.

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Ames, Eric. "Hallucination." In Aguirre, the Wrath of God, 73–76. London: British Film Institute, 2016. http://dx.doi.org/10.1057/978-1-84457-755-2_7.

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McAllister-Williams, R. Hamish, Daniel Bertrand, Hans Rollema, Raymond S. Hurst, Linda P. Spear, Tim C. Kirkham, Thomas Steckler, et al. "Pseudo-Hallucination." In Encyclopedia of Psychopharmacology, 1083. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-540-68706-1_970.

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Hishaw, G. Alex, and Steven Z. Rapcsak. "Visual Hallucination." In Encyclopedia of Clinical Neuropsychology, 2632–36. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-0-387-79948-3_1373.

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Bloch, Michael H., Michael H. Bloch, Mark A. Geyer, David C. S. Roberts, Eileen M. Joyce, Jonathan P. Roiser, John H. Halpern, et al. "Hypnagogic Hallucination." In Encyclopedia of Psychopharmacology, 611. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-540-68706-1_1319.

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Conference papers on the topic "Hallucination"

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Martinelli, Jose, Jessica Ivanovs, and Marcos Martinelli. "GERIATRIC EVALUATION IN 27 CASES OF MUSICAL HALLUCINATION." In XIII Meeting of Researchers on Alzheimer's Disease and Related Disorders. Zeppelini Editorial e Comunicação, 2021. http://dx.doi.org/10.5327/1980-5764.rpda073.

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Abstract:
Background: Musical hallucination (AM) is a type of complex auditory hallucination described as hearing musical tones, rhythms, harmonies, and melodies without the corresponding external auditory stimulus. This type of hallucination is relatively rare and is seen less often than other types of hallucination. Such hallucinations can be continuous or intermittent and are usually accompanied by a clear and critical awareness on the part of the patient. AM are found mainly in elderly women with progressive hearing loss, usually due to ear diseases or lesions. They also occur in neurological disorders, neuropsychological disorders (eg dementia) and psychiatric disorders, especially depression. Objective: To evaluate clinical and neuropsychological issues of the elderly with Musical Hallucinations Methods: Twenty-seven outpatient patients clinic of Geriatrics and Gerontology at FMJ from January 2010 to October 2019 were selected Results: Of the 27 patients, 20 were women. The average age was 83.47 years. The most prevalent diseases were systemic arterial hypertension, osteoporosis, diabetes mellitus, hypothyroidism, osteoporosis, chronic obstructive pulmonary disease and dementia syndrome. With the exception of one patient, all had hearing loss. The songs were the most varied from Gregorian chant to lullaby. Many had this picture for months and continuously (day and night). 40% of them had no insight into AM. We emphasize that all these patients sought medical care with the main complaint of musical hallucination. Conclusion: In general, AM has an uninterrupted, fragmentary and repetitive character. They are involuntary, intrusive and have an apparent exteriority. They differ from the simple mental image of auditory sensation in that they appear to come from outside the individual as if they actually hear an external device playing music. Currently, it is estimated that about 2% of elderly people with hearing loss also have AM. The neuropsychological basis of AM is not fully established. The phenomenological study, especially the perception of complex sequences and consistency with previous auditory experience strongly suggest the involvement of central auditory processing mechanisms. Normal musical auditory processing involves several interrelated brain levels and subsystems. While the recognition of elementary sounds is done in the primary auditory cortex, the recognition of musical characteristics such as notes, melody and metric rhythm occur in a secondary and tertiary association center, which in turn, are greatly influenced by regions linked to memory and emotion.
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Darrell, Trevor, H. Harville, G. Gordon, and J. Woodfill. "Mass hallucination." In ACM SIGGRAPH 98 Conference abstracts and applications. New York, New York, USA: ACM Press, 1998. http://dx.doi.org/10.1145/280953.281306.

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Yang, Chih-Yuan, Sifei Liu, and Ming-Hsuan Yang. "Structured Face Hallucination." In 2013 IEEE Conference on Computer Vision and Pattern Recognition (CVPR). IEEE, 2013. http://dx.doi.org/10.1109/cvpr.2013.146.

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Liu, Sifei, and Ming-Hsuan Yang. "Compressed face hallucination." In 2014 IEEE International Conference on Image Processing (ICIP). IEEE, 2014. http://dx.doi.org/10.1109/icip.2014.7025819.

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Congyong Su and Li Huang. "Facial Expression Hallucination." In 2005 Seventh IEEE Workshops on Applications of Computer Vision (WACV/MOTION'05). IEEE, 2005. http://dx.doi.org/10.1109/acvmot.2005.53.

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Xiong, Zhiwei, Xiaoyan Sun, and Feng Wu. "Web cartoon video hallucination." In 2009 16th IEEE International Conference on Image Processing ICIP 2009. IEEE, 2009. http://dx.doi.org/10.1109/icip.2009.5414032.

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Liang, Yan, Jian-Huang Lai, Yao-Xian Zou, Wei Zheng, and Pong C. Yuen. "Face Hallucination Through KPCA." In 2009 2nd International Congress on Image and Signal Processing (CISP). IEEE, 2009. http://dx.doi.org/10.1109/cisp.2009.5300993.

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Zhao, Hong, Yao Lu, and Zhengang Zhai. "Example-Based Facial Sketch Hallucination." In 2009 International Conference on Computational Intelligence and Security. IEEE, 2009. http://dx.doi.org/10.1109/cis.2009.159.

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Zhiwei Xiong, Xiaoyan Sun, and Feng Wu. "Image hallucination with feature enhancement." In 2009 IEEE Conference on Computer Vision and Pattern Recognition (CVPR). IEEE, 2009. http://dx.doi.org/10.1109/cvprw.2009.5206630.

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Tu, Ching-Ting, Mei-Chi Ho, and Jang-Ren Luo. "Face hallucination through ensemble learning." In 2015 IEEE International Conference on Digital Signal Processing (DSP). IEEE, 2015. http://dx.doi.org/10.1109/icdsp.2015.7252079.

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