Tesi sul tema "Process dissociation"
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1
Brooks, Charles Kennedy. "Multiple independent implicit personality processes: a challenge to dual process theory". Thesis, Georgia Institute of Technology, 2010. http://hdl.handle.net/1853/37309.
Testo completoAbstract (sommario):
This study applied the Process Dissociation Procedure (Bornstein, 2002) to test independence between personality processes represented by different implicit measurement techniques. In contrast to the commonly adopted literal view of dual processes in personality theory, the study predicted that two implicit measures (CRT-A and IAT-A) and one explicit measure (NEO-AH) of aggressive disposition would dissociate with each other in their 1) intercorrelations, 2) predictions of behavioral criteria of aggressiveness, and 3) potential moderation by situational cues. These hypotheses were generally, though not completely, supported. Most importantly, the two implicit measures dissociated in their lack of correlation and differential prediction of behavioral criteria, unaffected by changes in situational cues. As predicted, the CRT-A and the NEO-AH dissociated in their intercorrelations, predictions, and moderation by incentives. The IAT-A and the NEO-AH dissociated in their lack of intercorrelation and their differential moderation by changes in incentive conditions. As predicted, only the explicit measure was moderated by changes in incentive conditions. Unexpectedly, IAT-A and the NEO-AH were statistically indistinguishable in their prediction of behavioral criteria of aggression. The findings provided strong support for the hypotheses predicting multiple independent implicit personality processes.
2
Patterson, Emily. "The Effects of Practice on Stroop Inhibition: A Process Dissociation Approach". TopSCHOLAR®, 1996. http://digitalcommons.wku.edu/theses/878.
Testo completoAbstract (sommario):
Two studies were performed to investigate the effects of age and practice on Stroop inhibition. The first experiment examined the influence of age on the ability to ignore the meaning of words on Stroop items. Fifteen younger and 15 older adults were asked to name the color of congruent, incongruent, and control items appearing on a computer screen. Participants' interference and facilitation scores, error rates, and color and word process dissociation estimates were computed. The results indicate that older adults experienced more interference and facilitation than the younger adults and produced more errors than the younger adults on items where the meaning of the word and the color of the item did not match. Likewise, the process dissociation measures showed higher word estimates for older adults. Altogether these findings are indicative of a breakdown in older adults' inhibitory processes. The second study examined the effects of practice on older and younger adults' ability to inhibit word reading in the Stroop. Twelve younger and 12 older adults were assigned to each of two list conditions. Participants in the mostly congruent list condition received 140 items, 100 of which were congruent, 20 of which were incongruent and 20 of which were control. Participants in the mostly incongruent condition also received 140 trials, 100 of which where incongruent, 20 of which were congruent and 20 of which were control. The mostly incongruent list thus provided more practice in ignoring word meaning. Once again Stroop facilitation and interference scores, error rates, and process dissociation measures were computed. The results indicated that the mostly congruent list produced more facilitation and interference than the mostly incongruent list and that older adults again had higher facilitation and interference scores than younger adults. However, there was no evidence in the latency data that older adults benefitted less from practice than their younger counterparts. The process dissociation estimates demonstrated that older adults had higher word process estimates than the younger participants but that their color process estimates were similar to those of the younger adults. In addition, the mostly incongruent list produced lower word estimates and higher color estimates than the mostly congruent list. Moreover, this pattern did not differ across list types from that of the younger adults, again suggesting a similar benefit from practice for the two age groups. Taken together, these two studies suggest that while older adults are poorer at inhibitory skills, they do benefit from practice.
3
Ainsworth, Chris. "Cognitive process in bulimic disorders : the role of schema avoidance and impulsivity". Thesis, University of Southampton, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.326579.
Testo completo
4
Koenig, Laura. "Development of recognition memory : process dissociation of recollection and familiarity in children". Thesis, University of Plymouth, 2016. http://hdl.handle.net/10026.1/5154.
Testo completoAbstract (sommario):
There is an extensive debate in the adult literature on whether recognition memory can better be explained by a single- or a dual-process account. Single-process accounts assume that a single memory strength signal underlies recognition. Dual-process accounts propose two independent processes, namely recollection (slow and associated with contextual details) and familiarity (fast and automatic). The aim of this dissertation was to advance this debate using a cognitive developmental approach. By investigating age-related changes of recognition memory across childhood as a function of theoretically motivated experimental manipulations, predictions drawn from single- and dual-process models of recognition memory were tested. We adapted the Process Dissociation Paradigm (PDP; Jacoby, 1991) to disentangle processes underlying recognition memory in 5-, 7-, and 11-year-olds and adults using a Dual-Process Signal Detection cognitive modelling approach (DPSD; Yonelinas, 1996). Experiments 1 – 6 demonstrated that 5-year-olds are able to recollect items based on perceptual details. Consistent with dual-process theory, across all age groups a response time limit decreased recollection while leaving familiarity unaffected (Chapter 2). Converging evidence consistent with dissociations during childhood was found after repeated item presentation (Chapter 3). Finally, after a thorough empirical validation of our approach, the new paradigm was used to investigate the developmental perceptual to semantic shift (Chapter 4). These findings, using a double dissociation logic, have advanced the theoretical debate on the nature of recognition memory by showing that one process is insufficient to account for the developmental and experimental findings reported here. Recollection and familiarity follow different developmental trajectories and are affected by encoding and retrieval manipulations (i.e., repetition and time limits). This provides a challenge for existing theories of recognition memory.
5
Potts, Alison Jean. "Memorial performance in anxiety and depression, an investigation using the process dissociation procedure". Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/nq35286.pdf.
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6
Herbert, Ruth. "Range of consciousness within everyday music listening experiences : Absorption, dissociation and the trancing process". Thesis, University of Sheffield, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.500285.
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7
Martinez, de Baños Maria Lourdes. "Mechanisms of formation and dissociation of cyclopentane hydrates". Thesis, Pau, 2015. http://www.theses.fr/2015PAUU3037/document.
Testo completoAbstract (sommario):
Les mécanismes de formation et dissociation d’hydrates de cyclopentane (CP), qui forment á pression ambiante et á des températures entre 0ºC et 7ºC, ont été observés dans/sur/proche des gouttes d’eau immergées dans du CP á des échelles qui vont du micron jusqu’au millimètre. Plusieurs techniques d’observation ont été utilisées, telles que la macrophotographie et la microscopie optique en champ clair, par contraste interférentiel différentiel (CID), par fluorescence et par réflectance confocale. Des substrats hydrophiles et hydrophobes ont été utilisés. Dans une première série d’expériences, un procédé millifluidique simple a été mis au point. Il permet de générer, stocker et surveiller simultanément une centaine de gouttelettes de même volume (de l’ordre de μl), régulièrement espacées. Elles sont séparées par la phase ‘invité’ (CP) dans un tuyau en polymère fluoré (PFA) transparent. Chacune d’elles se comporte comme un réacteur indépendant. Une vision sur l’effet mémoire est obtenue en menant des mesures statistiques sur la nucléation des hydrates quand les gouttes d’eau sont refroidies au-dessous de 7°C. Cette méthode permet aussi de visualiser des événements dans des gouttes individuelles, tels que la naissance et la croissance de l’hydrate (surtout lorsqu’un additive tel qu’un inhibiteur est rajouté dans l’eau), ainsi que la formation d’une émulsion de CP dans l’eau pendant la dissociation de l’hydrate. Dans une deuxième série d’expériences, une seule goutte d’eau est posée ou pendue d’un substrat en verre et immergée dans du CP. Elle est observée par microscopie sous des séquences différentes de refroidissement – échauffement. Il a été observé que la cristallisation d’hydrates dépend fortement du sous-refroidissement. Deux nouveaux phénomènes ont été observés:(i) la propagation d’un « halo » d’hydrate le long de l’interface verre/CP depuis la ligne de contact de la goutte d’eau.(ii) cristallisation de l’hydrate dans une émulsion 2D de CP dans l’eau.Les deux types d’outils développés dans cette thèse ouvrent des nouvelles perspectives pour élucider les mécanismes de formation et dissociation d’hydrates en présence d’additives (promoteurs et inhibiteurs) et en présence d’un substrat minéral. Les applications comprennent les hydrates dans des environnements sédimentaires, séparation de gaz, etcThe mechanisms of formation and dissociation of cyclopentane (CP) hydrates, which form at ambient pressure and temperatures between 0°C and 7°C, have been observed in/on/near water drops immersed in CP at scales ranging from a few nanometers to the millimeter by a variety of techniques including macrophotography and optical microscopy under various modes: bright field, differential interference contrast (DIC), fluorescence and confocal reflectance. The substrates used are either hydrophobic or hydrophilic. In a first series of experiments, a simple millifluidic method is implemented. It allows to generate, store and monitor at the same time almost a hundred of regularly-spaced water droplets of equal volume (in the µl range) separated by the guest (CP) phase in a transparent fluorinated polymeric (PFA) (hydrophobic) tubing, each droplet behaving as an independent reactor for hydrate crystallization. Insights into the ‘memory effect’ are gained by measuring the statistics of hydrate nucleation events in these reactors when chilling below 7°C the water drops. The method also allows the visualization of single-drop events such as hydrate birth and growth, and the formation of a CP-in-water emulsion upon hydrate melting, especially when an additive such as an inhibitor is added to the water. In a second series of experiments, a single water droplet in CP, either sitting or hanging from a glass substrate, is observed by microscopy under various cooling and heating sequences. Hydrate crystallization (nucleation and growth) is observed to strongly depend on subcooling at the water drop/CP interface. Two novel phenomena are visualized in detail:(i) the propagation, from the contact line of the water drop, of a hydrate halo along the glass/CP interface. (ii) hydrate crystallization in a two-dimensional CP-in-water emulsion.The two types of tools developed in this thesis open new perspectives for elucidating the mechanisms of hydrate formation and dissociation in presence of additives (promoters and inhibitors) and in the presence of a mineral substrate. Applications include hydrates in sedimentary environments, flow assurance, gas separation, etc
8
Mehta, Bhavya Chandrakant. "Optimization of enzyme dissociation process based on reaction diffusion model to predict time of tissue digestion". Columbus, Ohio : Ohio State University, 2006. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1142575553.
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9
Wilson, Daryl E. "Assessing process dissociation procedure and implicit memory estimates of automatic retrieval for a retention interval manipulation". Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp05/mq24394.pdf.
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10
Dobani, Elvin. "Assessing the separate contributions of recollection and familiarity for the mirror effect, a process dissociation approach". Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape15/PQDD_0022/MQ33802.pdf.
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11
Rosenthal, Clive Richard. "Age-related differences in conscious and unconscious memory processes : an investigation of the process dissociation procedure". Thesis, University College London (University of London), 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.394327.
Testo completo
12
Schimpf, Nadine [Verfasser], Kerstin [Akademischer Betreuer] Dittrich e Karl Christoph [Akademischer Betreuer] Klauer. "Is it all word-reading? Validation and application of the process dissociation model of the stroop task". Freiburg : Universität, 2017. http://d-nb.info/1147680957/34.
Testo completo
13
Heirani, Moghaddam Sarvenaz. "Assessing and Defining Explicit Processes in Visuomotor Adaptation". Thesis, Université d'Ottawa / University of Ottawa, 2020. http://hdl.handle.net/10393/41099.
Testo completoAbstract (sommario):
The Process Dissociation Procedure (PDP) and Verbal Report Framework (VRF) have demonstrated that both explicit (Explicit Adaptation, EA) and implicit processes (Implicit Adaptation, IA) contribute to visuomotor adaptation. However, the definition of EA is inconsistent across the two paradigms, such that the PDP refers to EA as reflecting one’s knowledge regarding how they have to reach in the novel visuomotor environment, while the VRF refers to EA as reflecting pre-planned aiming strategies. The objective of the current experiment was to compare EA as assessed via the PDP and VRF and hence provide insight into if they are assessing similar explicit processes. Sixty-one participants were evenly divided into three groups (PDP, VRF and VRF-No Cursor) and trained to reach in a virtual environment with an aligned cursor (1 block of 45 trials) and then a cursor rotated 40° clockwise (CW) relative to hand motion (3 blocks of 45 trials). EA and IA were assessed immediately following each block of rotated reach training trials, and again 5-minutes later. In the assessment trials, the PDP group reached while using any learned strategy (EA+IA), or while not engaging in a strategy (IA) and the VRF group reported their planned aiming direction by picking a number from an array of numbers surrounding the target (EA), before reaching to the target (EA+IA) with visual feedback. The VRF-No Cursor group completed the same assessment trials as the VRF group, but no visual feedback was presented during assessment of EA and IA. Following this, participants completed a post-experiment questionnaire and a drawing task to assess their awareness of the visuomotor rotation and changes in their reaches respectively. We found that all groups adapted their reaches to the 40° CW cursor rotation. As well, averaged across participants, the magnitude and retention of EA and IA were similar between the PDP and VRF groups. However, the magnitude of EA established via the VRF was not related to participants’ post-experiment awareness of the visuomotor distortion and how they had changed their reaches, as observed in the PDP and VRF No-Cursor groups. Together, these results indicate that, while the PDP and VRF suggest similar contributions of EA and IA to visuomotor adaptation, the methods of assessment engage different explicit processes. EA assessed within the VRF does not reflect one’s awareness of the visuomotor distortion at the end of the experiment or how they changed their reaches.
14
Altstadt, Sebastian [Verfasser], René [Akademischer Betreuer] Reifarth e Kerstin [Akademischer Betreuer] Sonnabend. "13,14B(n,γ) via Coulomb dissociation to constrain the astrophysical r-process / Sebastian Altstadt. Gutachter: René Reifarth ; Kerstin Sonnabend". Frankfurt am Main : Univ.-Bibliothek Frankfurt am Main, 2014. http://d-nb.info/1077557566/34.
Testo completo
15
Langer, Christoph [Verfasser], René [Akademischer Betreuer] Reifarth e Thomas [Akademischer Betreuer] Aumann. "Coulomb dissociation of 31Cl and 32Ar - constraining the rp process / Christoph Langer. Gutachter: René Reifarth ; Thomas Aumann. Betreuer: René Reifarth". Frankfurt am Main : Univ.-Bibliothek Frankfurt am Main, 2012. http://d-nb.info/104441247X/34.
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16
Stewart, Brandon D. "Bringing automatic stereotyping under control implementation intentions as efficient means of thought control /". Columbus, Ohio : Ohio State University, 2007. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1189544075.
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17
Muto, S., K. Tatsumi, K. Ikeda e S. Orimo. "Dehydriding process of alpha-AlH3 observed by transmission electron microscopy and electron energy-loss spectroscopy". American Institite of Physics, 2009. http://hdl.handle.net/2237/12636.
Testo completo
18
Bouchafaa, Wassila. "Mesure et modélisation des conditions de dissociation d'hydrates de gaz stabilisés en vue de l'application au captage du CO2". Phd thesis, Palaiseau, Ecole polytechnique, 2011. http://pastel.archives-ouvertes.fr/pastel-00667115.
Testo completoAbstract (sommario):
La capture et la séquestration du CO2 en sortie des usines d'incinération, des centrales thermiques ou des cimenteries est devenu un enjeu mondial. La capture de ce gaz par voie hydrate est une alternative prometteuse. L'objet de cette thèse est l'étude de la stabilité des systèmes d'hydrates mixtes contenant du CO2 et un autre gaz (N2, CH4 et H2) avec l'eau pure, ou encore avec un additif permettant l'abaissement des pressions de formation : le tetrabutylamonium bromure (TBAB), dans une perspective de séparation de gaz. La technique expérimentale que nous avons utilisée est la calorimétrie différentielle programmée (DSC). Elle nous a permis de mesurer les températures et les enthalpies de dissociation des différents systèmes d'hydrates avec l'eau pure : N2, CH4, N2+ CO2, CH4+CO2, H2+CO2 ; mais aussi des systèmes semi-clathrates: CO2+CH4 et CO2+N2 à différents pourcentages massiques de TBAB (10, 20, 30 et 40). La dernière partie de cette thèse concerne la modélisation thermodynamique des semi-clathrates, où nous avons développé le cas particulier du système d'hydrate: CH4+TBAB.
19
Ronald, Camacho. "Effects of Art Therapy on Dissociation Related to a Veteran’s Experience with Post-Traumatic Stress Disorder". Digital Commons at Loyola Marymount University and Loyola Law School, 2019. https://digitalcommons.lmu.edu/etd/801.
Testo completoAbstract (sommario):
This paper depicts a U.S. veteran and graduate student’s experience using meditation, artmaking, and journaling to target the effects of trauma and its symptoms of post-traumatic stress disorder and dissociation. This is a self-study utilizing art as the main method for communication and knowing. The data was gathered by using a combination of Pat Allen’s Open Studio Process and elements of the Art Therapy Trauma Protocol using bilateral artmaking in a five-session process conducted in a local art studio in San Diego. The meditation was conducted as a contemplative practice with attention and intention focusing on traumatic experiences. Fragmented memories and phenomenological experiences were stimulated during the research process through metaphoric content in the art and archetypal visualizations during meditation. These were explored through the multiple phases of meditation, artmaking, observing, and journaling. This process allowed for integration and healing through meaning making, bilateral stimulation, and somatic experiencing.
20
Neugebauer, Thomas [Verfasser], Thomas [Akademischer Betreuer] Drewello, Thomas [Gutachter] Drewello e Jörg [Gutachter] Libuda. "Dynamics of the Collision-Induced Dissociation Process in Quadrupole Ion Traps and its Application / Thomas Neugebauer ; Gutachter: Thomas Drewello, Jörg Libuda ; Betreuer: Thomas Drewello". Erlangen : Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), 2019. http://d-nb.info/1201886899/34.
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Gladh, Jörgen. "Ultrafast Probing of CO Reactions on Metal Surfaces : Changes in the molecular orbitals during the catalysis process". Doctoral thesis, Stockholms universitet, Fysikum, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-132248.
Testo completoAbstract (sommario):
This thesis presents experimental studies of three different chemical reaction steps relevant for heterogeneous catalysis: dissociation, desorption, and oxidation. CO on single-crystal metal surfaces was chosen as the model systems. X-ray absorption spectroscopy (XAS) and x-ray emission spectroscopy (XES) provide information about the electronic structure, and were performed on CO/Fe to measure both a non-dissociative, and a pre-dissociative state. The measurement on the pre-dissociative state showed a π → π* excitation, which implies a partly broken internal π bond in the molecule. Ultrafast laser-induced reactions were used to examine the dynamic properties of desorption and oxidation. Here CO/Ru and CO/O/Ru were used as model systems. Desorption of CO from a Ru surface involve both hot electrons and phonons. In the case of CO oxidation from CO/O/Ru a pronounced wavelength dependence of the branching ratio between desorption and oxidation was observed. Excitation with 400 nm showed a factor of 3-4 higher selectivity towards oxidation than 800 nm. This was attributed to coupling to transiently excited, non-thermalized electrons. Finally, by performing optical pump/x-ray probe XAS and XES changes in the electronic structure during the reaction could be followed, both for desorption and oxidation. In the CO/Ru experiment, two different transient excitation paths were observed, one leading to a precursor state, and one where CO moves into a more highly coordinated site. Using selective excitation in XES, these were shown to coexist on the surface. In the oxidation experiment, probing the reacting species located near the transition state region in an associative catalytic surface reaction was demonstrated for the very first time.
22
Göbel, Kathrin [Verfasser], Kerstin [Akademischer Betreuer] Sonnabend e Oliver [Akademischer Betreuer] Kester. "Measurement of the 94Mo(γ,n) reaction by Coulomb dissociation and related post-processing nucleosynthesis simulations for the p-process / Kathrin Göbel. Gutachter: Kerstin Sonnabend ; Oliver Kester. Betreuer: Kerstin Sonnabend". Frankfurt am Main : Univ.-Bibliothek Frankfurt am Main, 2015. http://d-nb.info/1071890328/34.
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23
Kliegl, Reinhold, Ulrich Mayr e R. T. Krampe. "Process dissociations in cognitive aging". Universität Potsdam, 1995. http://opus.kobv.de/ubp/volltexte/2010/4042/.
Testo completoAbstract (sommario):
One undisputed finding of cognitive aging research is that the two main clusters of intellectual abilities, fluid and crystallized abilities, exhibit differential age-related trends. Healthy older adults perform less well than young adults on almost any task that requires fast responses or taps the fluid or mechanical aspects of intelligence; they show much less of a decline, if any at all, in tasks requiring the access of their crystallized knowledge (Baltes, 1987; Horn, 1970). These age-differential trends are the prototype of what we will refer to as a process dissociation. We will show how process dissociations can be established within the domain of fluid intelligence that pass more stringent tests than is customary in experimental research on cognitive aging.
24
Gaillard, Vinciane. "Relations entre conscience et contrôle dans l'apprentissage de séquences: une approche intégrée". Doctoral thesis, Universite Libre de Bruxelles, 2007. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/210661.
Testo completoAbstract (sommario):
Pourquoi agissons-nous dans certaines circonstances de manière irrépressible ?Nos actes doivent-ils pour autant être considérés comme inconscients ?Peut-on apprendre inconsciemment ?La conscience et le contrôle peuvent-ils être dissociés? Ces questions ont été abordées dans le cadre de ma thèse de doctorat.Doctorat en Sciences Psychologiques et de l'éducation
info:eu-repo/semantics/nonPublished
25
Baco, Sindi. "Kinetic modeling for levulinic acid esterification in gamma-Valerolactone taking into account acid dissociation". Master's thesis, Alma Mater Studiorum - Università di Bologna, 2021.
Cerca il testo completoAbstract (sommario):
The first goal of this work is to demonstrate that using an aprotic polar solvent, such as γ- valerolactone instead of a protic polar solvent (i.e. ethanol, water), increases the yield of the esterification reaction of levulinic acid with ethanol, in presence of an acid catalyst. In fact, it is believed that an aprotic polar solvent can improve the catalytic activity of protons.
The second goal is to study the influence of the variation of some parameters on the mentioned reaction.
This was done by structuring the work in two sections: experimental and modelling.
In the first section, two kinetic experiments were performed: one in presence of ethanol as solvent and one in presence of γ-valerolactone solvent, in order to achieve the first goal. After, different kinetic experiments were conducted, varying the process variables (i.e., temperature, catalyst concentration, molar ratio between reactants) in turn, in order to investigate their influence on the product’s yield. All experiments were performed in a batch custom reactor under isoperibolic and isobaric conditions and using γ-valerolactone as solvent.
In the second section, the experimental data obtained were used in the modelling. Since the dissociation of all acids present in the esterification system was considered, an algebraic equation for the proton concentration was obtained and solved simultaneously with the differential equations (ODE) describing the molar balances. In this way, kinetic and thermodynamic parameters have been estimated.
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Al, Mahmoud Alsheikh Amer. "Modelování chemických procesů". Doctoral thesis, Vysoké učení technické v Brně. Fakulta chemická, 2015. http://www.nusl.cz/ntk/nusl-233403.
Testo completoAbstract (sommario):
V této práci je prezentována studie fragmentačního procesu zvolené molekuly a jeho vztah ke složení fragmentačních produktů. Práce je zaměřená na výpočet fragmentační energie molekuly pomocí ab initio kvantově chemických metod, metodou „density functional theory (DFT)“ a také srovnáním s experimentem. Je prezentován vliv výpočetní metody, bázového setu, a geometrie molekuly na simulaci. Byla porovnána fragmentace methylfenylsilanu (MPS), dimethylfenylsilanu (DMPS), a trimetylfenylsilanu (TMPS). Fragmentace byla iniciována monochromatickým elektronovým svazkem (EII). Hmotnostní spektrometrie byla využita ke studiu složení fragmentačních produktů MPS a TMPS. Fragmentační produkty MPS a TMPS měřené v rámci této práce byly doplněny o experimentální studii DMPS, která byla prezentována v literatuře. Takto byla získána řada molekul, které jsou strukturně podobné, ale mají výrazně rozdílné chování během fragmentace. Pomocí měření účinného průřezu byly měřeny disociační energie vazeb a tyto disociační energie byly vypočteny pomocí metody DFT. Kombinací teoretického výpočtu metodou DFT a experimentálního měření jsme poukázali na společné rysy a na rozdíly ve fragmentačním schématu všech tří molekul. Navrhli jsme odštěpení dvou vodíkových atomů během plazmově indukovaného fragmentačního procesu. Vodíky mohou být odštěpeny pomocí dvou mechanismů: i. odštěpení dvou vodíků jeden po druhém a ii. odštěpení molekuly H2 v jednom kroku. Z profilů energie dokážeme určit, který mechanismus bude v tom konkrétním případě pravděpodobnější. Předpokládaný mechanismus je v korelaci s experimentálními výsledky fragmentace zjištěnými z hmotnostních spekter.
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Savignon, Edouard. "Modélisation et étude d'une décharge filamentaire à basse intensité et haute-pression dans l'argon". Phd thesis, Université d'Orléans, 2007. http://tel.archives-ouvertes.fr/tel-00458689.
Testo completoAbstract (sommario):
Les décharges filamentaires obtenues dans l'Argon et les gaz rares, à faible intensité (I < 1 A) et haute pression (pression atmosphérique et pressions supérieures) sont caractérisées par un petit diamètre (quelques dixièmes de millimètre), un champ électrique élevé (E = 10 kV/m) et une grande différence de température entre les électrons (Te = 10000 K) et les atomes (T0 = 1500 K). Pour étudier ces décharges encore mal connues, intermédiaires entre l'arc électrique et la décharge luminescente, nous avons élaboré un modèle capable, à partir de la connaissance d'un petit nombre de paramètres qui conditionnent le fonctionnement de la décharge (intensité du courant, champ électrique, diamètre, pression) de déterminer les principales grandeurs physiques (températures des électrons et des atomes, densités des électrons et des ions atomiques et moléculaires, densités des états excités) caractérisant le plasma ; ce modèle a été construit à partir des équations de conservation des particules chargées, des atomes excités et de l'énergie des électrons en prenant en compte l'ensemble des niveaux 4s et 4p de l'argon dont les sections efficaces d'excitation et d'ionisation par chocs électroniques sont bien connues. Le principal processus de disparition des électrons est la recombinaison dissociative des ions moléculaires A2+ (A2+ + e → A* + A) dont la formation par une réaction à trois corps (A+ + A + A → A2+ + A) est favorisée par la basse température et la haute pression du milieu ; les atomes excités A* sur un niveau 4p facilement ionisable, provenant de la recombinaison des ions A2+ permettent d'obtenir des densités électroniques importantes à des températures électroniques et atomiques relativement basses ; on a également pris en comte l'absorption partielle par le plasma des raies rouges de l'Argon issues des niveaux 4p. L'étude de ces décharges présente de l'intérêt sur le plan tant fondamental qu'appliqué (amorçage des décharges à haute intensité, caractérisation des régions périphériques des arcs électriques, lasers à excimers).
28
Li, Meng-Ru, e 李孟儒. "A process dissociation of different judgment tasks". Thesis, 2012. http://ndltd.ncl.edu.tw/handle/49157752380251205696.
Testo completo
29
Davis, Caroline. "Dissociation : the process of distress management in situational crisis". Thesis, 2005. https://eprints.utas.edu.au/19820/1/whole_DavisCaroline2005_thesis.pdf.
Testo completoAbstract (sommario):
The following paper reviews the literature on the well established link between traumatic
experience and dissociation (Doharty, Lewis, Miller, & Gee, 2003; Putnam, 1995) which
has led to the development of theories suggesting dissociation serves a protective role
against the enormity of the event. While this is a popular theory there is limited
empirical evidence to support the premise. Some preliminary research has suggested that
peritraumatic dissociation results in arousal reduction (Griffin, Resick & Mechanic, 1997,
Williams, Haines & Sale, 2003) and corresponding reduction in distress (Williams et al.,
2003). It is suggested that peritraumatic dissociation mediates distress management in
situational crisis (Griffin et al., 1997; Williams et al., 2003, Diskin & Hodgins, 2001)
rather than a more general propensity to dissociate as suggested by others (Butler, 1996).
The current empirical study investigates this suggestion using a four stage guided
imagery methodology. Psychological and psychophysiological responses to imagery of
traumatic and stressful events were recorded for participants divided on the basis of (1)
dissociative propensity and, (2) peritraumatic dissociation. No significant results were
found when participants were divided on the basis of dissociative capacity suggesting that
a tendency to experience dissociative capacity is not related to the use of a dissociative
coping style in the face of stress or trauma. When differences between experiences of
peritraumatic dissociation were considered, participants experiencing high levels of
peritraumatic dissociation reported greater unreality levels throughout both traumatic and
stressful events. There was no corresponding distress or arousal reduction. It is concluded
that peritraumatic dissociation may be viewed as a more generalised stress response.
More research is needed to investigate the dissociative stress response.
30
Watchorn, JH. "Surviving Port Arthur : the role of dissociation in the impact of psychological trauma and its implications for the process of recovery". Thesis, 2001. https://eprints.utas.edu.au/1271/1/01Front.pdf.
Testo completoAbstract (sommario):
Psychological trauma results from exposure to an inescapable stressor that overwhelms a person's ability to cope. During the period of perceived threat a defensive process of denial and suppression frequently operates to control a person's emotional response to the situation. Emergency services personnel in particular, may actively employ a task- oriented approach to traumatic incidents: and suppress their anxiety and fear in order to maintain concentration and undertake their duties most effectively. In psychological terms, this behaviour may be seen as purposeful, adaptive dissociation. However, recent studies of emergency services personnel reveal that there are possible long-term risks associated with the experiencing dissociation during a traumatic situation. While the ability to control emotional response may be viewed as an effective way of coping during an intense or traumatic situation, there is an inherent danger that this inhibition of emotions may become the source of long term psychological and physiological disturbance. Psychological debriefing is a popular method of assistance for emergency services personnel following a traumatic incident. It is designed to promote the cognitive and emotional processing of a traumatic event. During a debrief, participants describe the traumatic experience (including their reactions and emotions) in order to begin to integrate and master key features of the experience. While there is abundant anecdotal evidence suggesting that psychological debriefings can be beneficial, there have also been conflicting reports as to their actual effectiveness. Investigators have indicated that rigorous investigation of the effectiveness of psychological debriefing and its role in post-trauma recovery is urgently required. In particular, such investigations need to provide a clear answer to the question 'Is psychological debriefing related to the prevention of PTSD symptoms and associated psychological sequelae?' In this study, an investigation was undertaken of 96 emergency services personnel involved in the response to the 'Port Arthur massacre', a critical incident in which a lone gunman randomly killed 32 visitors in a popular tourist venue in southern Tasmania. All participants were individually interviewed on two occasions: eight months after and twenty months after the incident. Two key findings from the research project we presented. Firstly, experiencing dissociative symptoms at the time of the incident was predictive of long-term psychological and physiological distress. Secondly, within the group of emergency services personnel who experienced dissociation at the event, those who disclosed their related thoughts and feelings at the subsequent group debriefings showed significantly less long-term psychological distress. The results of this study offer insight into how the impact of biological chances caused by a traumatic event can be modified by the psychological processing of that event. The results support the suggestion that following a traumatic situation, a person needs to process and integrate the memory of that event if he or she is to 'recover' from his or her reaction to the situation. Psychological debriefing appears to provide an opportunity for the necessary psychological processing to commence and assist emergency services personnel in managing what might otherwise develop into PTSD.
31
Reid, EM. "Moral decision making". Thesis, 2018. https://eprints.utas.edu.au/31081/1/Reid_whole_thesis.pdf.
Testo completoAbstract (sommario):
The present study investigated the underlying process of moral decision making, by comparing two prominent theories, and factors that can moderate this. The dual process model suggests cognitive load will selectively reduce utilitarian inclinations (as both the decision and increased cognitive load use cognitive resources), whilst having no effect on deontological inclinations; the Social Intuitionist Model stipulates cognitive load will have no effect on either. The more people saved (for the same number killed; efficient ratio) the more utilitarian the response should be. Method: One hundred and sixty-six participants (125 females; aged 18-73 years, 40 males; aged 19 to 68, and one 24-year-old who did not identify as either) were allocated into one of four conditions, manipulating both cognitive load and kill/save ratio (KSR). Participants remembered a digit string (easy or hard depending on condition) whilst answering a moral dilemma and then answered questions about the difficulty, of the questions and memory task, and some demographics. Results: Bayesian analysis provide some evidence in favour of the null hypothesis for an effect of cognitive load; thus, there is no effect – supporting the Social Intuitionist Model. There is definitive evidence suggesting there is an effect of KSR consistent with theory. Conclusion: Results suggest social and cultural influences determine one’s moral principles, and thus cognitive load will have no effect on the decision. KSR has an impact to an extent; however, some individual differences make it impossible to ever be utilitarian. Future research should look at more individual differences and populations to determine if findings are the same.
32
Abrahamowicz, Barbara. "Effect of bilingualism on familiarity and recollection in recognition memory : application of a process dissociation paradigm". Thesis, 1993. http://spectrum.library.concordia.ca/3100/1/MM90813.pdf.
Testo completo
33
Watchorn, JH. "Surviving Port Arthur : the role of dissociation in the impact of psychological trauma and its implications for the process of recovery". 2001. http://eprints.utas.edu.au/1271.
Testo completoAbstract (sommario):
Psychological trauma results from exposure to an inescapable stressor that overwhelms a person's ability to cope. During the period of perceived threat a defensive process of denial and suppression frequently operates to control a person's emotional response to the situation. Emergency services personnel in particular, may actively employ a task- oriented approach to traumatic incidents: and suppress their anxiety and fear in order to maintain concentration and undertake their duties most effectively. In psychological terms, this behaviour may be seen as purposeful, adaptive dissociation. However, recent studies of emergency services personnel reveal that there are possible long-term risks associated with the experiencing dissociation during a traumatic situation. While the ability to control emotional response may be viewed as an effective way of coping during an intense or traumatic situation, there is an inherent danger that this inhibition of emotions may become the source of long term psychological and physiological disturbance. Psychological debriefing is a popular method of assistance for emergency services personnel following a traumatic incident. It is designed to promote the cognitive and emotional processing of a traumatic event. During a debrief, participants describe the traumatic experience (including their reactions and emotions) in order to begin to integrate and master key features of the experience. While there is abundant anecdotal evidence suggesting that psychological debriefings can be beneficial, there have also been conflicting reports as to their actual effectiveness. Investigators have indicated that rigorous investigation of the effectiveness of psychological debriefing and its role in post-trauma recovery is urgently required. In particular, such investigations need to provide a clear answer to the question 'Is psychological debriefing related to the prevention of PTSD symptoms and associated psychological sequelae?' In this study, an investigation was undertaken of 96 emergency services personnel involved in the response to the 'Port Arthur massacre', a critical incident in which a lone gunman randomly killed 32 visitors in a popular tourist venue in southern Tasmania. All participants were individually interviewed on two occasions: eight months after and twenty months after the incident. Two key findings from the research project we presented. Firstly, experiencing dissociative symptoms at the time of the incident was predictive of long-term psychological and physiological distress. Secondly, within the group of emergency services personnel who experienced dissociation at the event, those who disclosed their related thoughts and feelings at the subsequent group debriefings showed significantly less long-term psychological distress. The results of this study offer insight into how the impact of biological chances caused by a traumatic event can be modified by the psychological processing of that event. The results support the suggestion that following a traumatic situation, a person needs to process and integrate the memory of that event if he or she is to 'recover' from his or her reaction to the situation. Psychological debriefing appears to provide an opportunity for the necessary psychological processing to commence and assist emergency services personnel in managing what might otherwise develop into PTSD.
34
Opie, Jonathan Philip. "Consciousness: A Connectionist Perspective". 1998. http://hdl.handle.net/2440/37779.
Testo completoAbstract (sommario):
Cognitive scientists seeking a computational account of consciousness almost universally opt for a process theory of some kind: a theory that explains phenomenal experience in terms of the computational processes defined over the brain's representational vehicles. But until recently cognitive science has been dominated by the classical computational theory of mind. Today there is a new player on the scene, connectionism, which takes its inspiration from a computational framework known as parallel distributed processing (PDP). It is therefore appropriate to ask whether connectionism has anything distinctive to say about consciousness, and in particular, whether it might challenge the dominance of process theories. I argue that connectionism has the resources to hazard a vehicle theory of consciousness. A vehicle theory places consciousness right at the focus of cognition by identifying it with the explicit representation of information in the brain. Classicism can't support such a theory because it is committed to the existence of explicit representations whose contents are not phenomenally conscious. The connectionist vehicle theory of consciousness aligns phenomenal experience with stable patterns of activation in neurally realised PDP networks. It suggests that consciousness is an amalgam of phenomenal elements, both sensory and non-sensory, and the product of a multitude of consciousness-making mechanisms scattered throughout the brain. This somewhat unorthodox picture is supported, I claim, by careful analysis of experience, and by the evidence of the neurosciences. One obstacle facing this account is the apparent evidence, both direct and indirect, for the activity of unconscious explicit representations in human cognition. I establish that much of the direct evidence for this thesis is open to doubt on methodological grounds. And studies that support the dissociation thesis indirectly, by way of an inference to the best explanation, are vulnerable to alternative connectionist explanations of the relevant phenomena. What is most significant about the connectionist vehicle theory of consciousness is not the fact that it's a connectionist theory of consciousness, but that it's a vehicle theory - an account which takes cognitive science into largely unexplored territory, but in so doing brings into clearer focus the issues with which any theory of consciousness must contend.Thesis (Ph.D.)--Department of Philosophy, 1998.
35
Holliday, Robyn Elizabeth. "Dissociating Automatic and Intentional Processes in Children’s Eyewitness Suggestibility". Thesis, 1999. http://hdl.handle.net/1959.13/25005.
Testo completoAbstract (sommario):
The chief aim of this dissertation was to establish the respective contributions of automatic and intentional memory processes to misinformation effects in 5-, 8-, and 9-year-old children. In the first two experiments children were presented with a picture story followed by misleading post-event details that were either read to participants, or were self-generated in response to semantic and perceptual hints. Children were then presented with original and suggested items and given a yes / no recognition test under inclusion or exclusion instructions. The application of Jacoby’s (1991) process dissociation procedure to children’s recognition performance revealed that the contribution of intentional processing to misinformation acceptance increased following the self-generation of suggestions. Automatic processing made a strong contribution to misinformation effects regardless of the way that misinformation was encoded. Experiment 3 extended this general pattern of results to a forced choice recognition paradigm. Experiment 4 examined the role of social demand factors in children’s suggestibility using Belli’s (1989) yes / no retrieval paradigm. Little evidence of an influence of social demand on children’s suggestible responses was found with automatic processes again the predominant factor determining suggestibility. In the final experiment, the temporal order of the original and post-event phases was reversed such that 5-year-olds were initially presented with a post-event summary containing misinformation, followed by a witnessed event. The results of this study confirmed that children’s suggestions were unlikely to be the result of trace alteration or social demand. The implications of the findings for theoretical accounts of the misinformation effect in children’s recognition and for children’s eyewitness testimony are discussed.PhD Doctorate
36
Holliday, Robyn Elizabeth. "Dissociating Automatic and Intentional Processes in Children’s Eyewitness Suggestibility". 1999. http://hdl.handle.net/1959.13/25005.
Testo completoAbstract (sommario):
The chief aim of this dissertation was to establish the respective contributions of automatic and intentional memory processes to misinformation effects in 5-, 8-, and 9-year-old children. In the first two experiments children were presented with a picture story followed by misleading post-event details that were either read to participants, or were self-generated in response to semantic and perceptual hints. Children were then presented with original and suggested items and given a yes / no recognition test under inclusion or exclusion instructions. The application of Jacoby’s (1991) process dissociation procedure to children’s recognition performance revealed that the contribution of intentional processing to misinformation acceptance increased following the self-generation of suggestions. Automatic processing made a strong contribution to misinformation effects regardless of the way that misinformation was encoded. Experiment 3 extended this general pattern of results to a forced choice recognition paradigm. Experiment 4 examined the role of social demand factors in children’s suggestibility using Belli’s (1989) yes / no retrieval paradigm. Little evidence of an influence of social demand on children’s suggestible responses was found with automatic processes again the predominant factor determining suggestibility. In the final experiment, the temporal order of the original and post-event phases was reversed such that 5-year-olds were initially presented with a post-event summary containing misinformation, followed by a witnessed event. The results of this study confirmed that children’s suggestions were unlikely to be the result of trace alteration or social demand. The implications of the findings for theoretical accounts of the misinformation effect in children’s recognition and for children’s eyewitness testimony are discussed.PhD Doctorate
37
Chiou, Yi-Hsiung, e 邱義雄. "The Design and Construction of the Low-energy Electron Gun for Studying the Process of Dissociative Electron Attachment". Thesis, 1995. http://ndltd.ncl.edu.tw/handle/00919400137852989996.
Testo completoAbstract (sommario):
碩士國立中山大學
物理研究所
83
Excepting the electromagnetic theory of the electrostatic lens, this thesis appreciates the design and construction of the low- energy electron gun by myself with the report of the test. Principles of design, materials and mechanical work are also presented. The field lens is used for design the electron gun. It makes the electron beam from the source can be focused by a variable energy range without changing the position of the image. But it's useless for reaction of molecular beam and electron beam. So this thesis described the simpler focusing lens system , and the problem found in the correction of the lower-energy electron beam.
38
Ferreira, Ana Rita Cardoso. "O processo de integração de Emília : um estudo de caso qualitativo longitudinal sobre processos de mudança na perturbação dissociativa de identidade". Master's thesis, 2012. http://hdl.handle.net/10451/8068.
Testo completoAbstract (sommario):
Tese de mestrado, Psicologia (Secção de Psicologia Clínica e da Saúde - Núcleo de Psicoterapia Cognitivo-Comportamental e Integrativa), Universidade de Lisboa, Faculdade de Psicologia, 2012No âmbito das Perturbações Dissociativas, a Perturbação Dissociativa de Identidade constitui um quadro psicopatológico marcado pela extrema fragmentação do self em múltiplas partes dissociadas entre si. Os resultados terapêuticos podem variar, desde um funcionamento mais coordenado entre partes dissociadas não fundidas, ao resultado último e mais ambicioso, a completa integração entre partes anteriormente dissociadas, agora fundidas. No presente estudo, tendo como referência um estudo de caso longitudinal de uma paciente com Perturbação Dissociativa de Identidade, pretende-se explorar os elementos relatados como mais significativos no processo terapêutico. O objectivo é perceber os processos e mecanismos de mudança manifestos na paciente que sinalizam quer uma aproximação quer um afastamento ao processo de integração entre partes dissociadas (como a mudança acontece). Foi realizada uma análise qualitativa através da Grounded Theory com recurso a um registo de diário, ao longo de 34 sessões, preenchido semanalmente em dois momentos temporais (antes e após sessão) no caso da paciente, e num momento (após sessão) no caso do terapeuta. Foram formuladas 4 categorias mães que se encontram no topo da hierarquia: (1) O Self Múltiplo Fragmentado: contemplação da dissociação; (2) A relação da Emília consigo mesma e com as partes e a relação das partes entre elas; (3) A relação da Emília e das partes com o terapeuta e com os outros; (4) Obstáculos ou bloqueios à integração entre partes do self dissociadas. Essas englobam 23 clusters de outras categorias, nas quais se incluem 84 subcategorias. Os resultados serão discutidos em termos de potenciais contribuições para prática clínica e investigação na e para além da Perturbação Dissociativa de Identidade e limitações do estudo serão apresentadas.
Under the Dissociative Disorders, Dissociative Identity Disorder to constitute a psychopathological framework marked by extreme fragmentation of the self into multiple parts separated from each other, on the ground that the therapeutic results may vary, from a more coordinated operation between dissociated parts not fused, the latest and most ambitious result, the full integration between the parties prior dissociated, now merged. In this study, with reference to a longitudinal case study of a patient with Dissociative Identity Disorder, we intend to explore the elements reported as the most significant in the therapeutic process in order to understand the processes and mechanisms of change in the patient manifests that indicate whether an approach or a departure from the integration process between dissociated parts (how change happens). We performed a qualitative analysis using Grounded Theory using a daily record of over 34 sessions, met weekly at two points in time (before and after session) in the case of the patient, and at a time (after the session) in the case of therapist. 4 categories were formulated mothers who are at the top of the hierarchy: (1) The multiple Fragmented Self: contemplation of dissociation, (2) Emília's relationship with herself and the parties and the parties' relationship between them, (3) The relationship Emília and the party with the therapist and with others, (4) barriers or blocks to integrate dissociated parts of the self. These clusters encompass 23 categories, which include 84 sub-categories. The results are discussed in terms of potential contributions to clinical practice and research in Dissociative Identity Disorder and limitations of the study will be presented.
39
Kálosi, Ábel. "Elementární procesy p̌ri nízkých teplotách - reakce iont ̊u H3+ a N2H+ v dohasínajícím plazmatu". Doctoral thesis, 2019. http://www.nusl.cz/ntk/nusl-398671.
Testo completoAbstract (sommario):
Electron-ion recombination and ion-neutral interactions play a piv- otal role in the chemical evolution of molecules in the Interstellar Medium (ISM). Physical conditions under which these processes un- dergo in the ISM include a wide range of temperatures and particle number densities. This work contributes to the experimental study of named low temperature phenomena in the range of 30 K to 300 K focusing on the reactions of hydrogen-containing light molecules. The employed experimental techniques are based on a combination of a Stationary Afterglow (SA) instrument with a Continuous Wave Cavity Ring-down Spectrometer (cw-CRDS). The main contributions of this work can be split into three topics. (1) The proton and deuteron con- taining isotopic system of H3 + ions. The isotopic fractionation process in collisions with hydrogen and deuterium gas was investigated in low temperature discharges, nominal ion temperatures of 80 K to 140 K, to deduce relative ion densities in the experiments. These are necessary for afterglow studies of isotopic effects in electron-ion recombination of the studied ions. (2) Vibrational spectroscopy of N2H+ ions focusing on first overtone (2ν1 band) transitions and ion thermometry, the first step towards studies of electron-ion recombination. (3) The role of para/ortho spin...