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Dissertations / Theses on the topic 'Pavlovian'

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Published: 4 June 2021

Last updated: 20 February 2023

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1

Stanhope, Kelly Jean. "Reinforcer representations in Pavlovian conditioning." Thesis, University of Cambridge, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.257041.

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2

Murphy, Robin A. J. "Relative contingency learning in Pavlovian conditioning." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape10/PQDD_0026/NQ50226.pdf.

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3

Harmer, Catherine Jane. "Environmental manipulations of appetitive Pavlovian conditioning." Thesis, University of York, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.265664.

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4

Dopson, Jemma. "Fate of irrelevant stimuli in Pavlovian conditioning." Thesis, Cardiff University, 2009. http://orca.cf.ac.uk/54505/.

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This thesis investigated the fate of irrelevant stimuli in Pavlovian conditioning. In Chapter 1, several theories of learning were evaluated with respect to findings related to blocking (Kamin, 1969) and the relative validity effect (Wagner, Logan, Haberlandt & Price 1968). The majority of these theories explain such effects by assuming that little is learned about irrelevant stimuli (e.g. Rescorla & Wagner, 1972 Mackintosh, 1975a Pearce & Hall, 1980). In contrast, the comparator hypothesis (e.g. Miller and Matzel, 1988) makes the assumption that learning about irrelevant stimuli o

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5

Cohen, Sabrina Rachel. "Understanding the origin of Pavlovian-instrumental interactions." Thesis, Cardiff University, 2013. http://orca.cf.ac.uk/51263/.

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This thesis investigates interactions between Pavlovian and instrumental processes. The first chapter provides an evaluation of various theoretical analyses of how these two processes might interact in the context of two types of phenomena: Pavlovian-to-instrumental transfer (PIT) and the renewal of instrumental responses that have been extinguished. It is argued that the conditions under which both phenomena are observed do not sit readily with the theoretical analyses that have been offered for them. Chapter 2 reports three experiments that examined the conditions under which outcome-selecti

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6

Urcelay, Gonzalo Pablo. "Potentiation and overshadowing in Pavlovian fear conditioning." Diss., Online access via UMI:, 2008.

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7

Overduin, Barend Jan Joost. "Pavlovian conditioning and binge eating some empirical explorations /." Maastricht : Maastricht : Rijksuniversiteit Limburg ; University Library, Maastricht University [Host], 1996. http://arno.unimaas.nl/show.cgi?fid=6270.

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8

Swan, J. "The role of predictive accuracy in Pavlovian conditioning." Thesis, Bucks New University, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.378415.

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9

Parkinson, John Anthony. "Limbic cortico-striatal circuitry underlying Pavlovian associative learning." Thesis, University of Cambridge, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.625012.

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10

Farbstein, Rebecca Ann. "Pavlovian portable art : socio-technical process, aesthetic context." Thesis, University of Cambridge, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.611263.

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11

Seabrooke, Tina. "Controlled and automatic processes in Pavlovian-instrumental transfer." Thesis, University of Plymouth, 2017. http://hdl.handle.net/10026.1/8550.

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The current research aimed to further current knowledge on the psychological processes that underpin human outcome-selective Pavlovian-instrumental transfer (PIT) effects. PIT reflects the capacity of a Pavlovian stimulus to selectively potentiate an instrumental response that predicts a common rewarding outcome. PIT effects are often suggested to reflect a relatively automatic S-O-R mechanism, where the stimulus activates the sensory properties of the outcome, which then automatically triggers associated instrumental responses. The current research tested this S-O-R account of PIT against a p

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12

Ebrahimi, Claudia. "Neural mechanisms and pharmacological modulation of Pavlovian learning." Doctoral thesis, Humboldt-Universität zu Berlin, 2021. http://dx.doi.org/10.18452/22354.

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Einige psychische Störungen, darunter Angst- und Suchterkrankungen, zeichnen sich durch eine abnorme Beteiligung basaler assoziativer Lernprozesse aus. Pawlow’sche Rückfallphänomene den langfristigen Erfolg extinktionsbasierter Therapien. Damit kommt der Untersuchung pharmakologischer Interventionen zur Unterstützung des Extinktionslernens bzw. -abrufs eine zentrale Bedeutung zu. Die vorliegende Dissertation umfasst vier Studien und bedient sich translationaler Pawlow’scher Lernmodelle, um (i) behaviorale und neuronale Mechanismen appetitiver Pawlow’scher Rückfallphänomene beim Menschen zu u

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13

Garfield, Joshua Benjamin Bernard Psychology Faculty of Science UNSW. "FG7142 attenuates expression of overexpectation in Pavlovian fear conditioning." Publisher:University of New South Wales. Psychology, 2008. http://handle.unsw.edu.au/1959.4/43241.

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The experiments reported in this thesis studied the mechanisms of expression of overexpectation of conditioned fear, as measured by freezing. In Stage I, rats were conditioned to fear a tone and a flashing light conditioned stimulus (CS) through pairings with a 0.5 mA, 1 s shock. In Stage II, overexpectation was trained by the reinforcement of a compound of these CSs with a shock of the same magnitude. Two compound ?? shock pairings produced an overexpectation effect, as measured by freezing to presentations of the tone alone, while further Stage II training caused over-training of overexpecta

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14

Leung, Hiu Tin Psychology Faculty of Science UNSW. "Spontaneous recovery in Pavlovian fear extinction and latent inhibition." Publisher:University of New South Wales. Psychology, 2009. http://handle.unsw.edu.au/1959.4/43701.

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The experiments reported in the present thesis examined the behavioural processes of Pavlovian fear extinction and latent inhibition. The first series of experiments studied the reacquisition of extinguished fear responses following different amounts of extinction training. Rapid reacquisition occurred when rats were reconditioned after moderate extinction, showing that the original learning remained intact across this extinction. In contrast, when reconditioning was given after massive extinction, reconditioned responding was first depressed but then spontaneously recovered over time. This su

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15

Morvan, Cecile I. "Mesolimbic Dopamine Involvement in Pavlovian and Operant Approach Behaviors." Thesis, Boston College, 2010. http://hdl.handle.net/2345/1334.

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Thesis advisor: Jon C. Horvitz<br>Previous research has yielded conflicting results regarding the involvement of mesolimbic dopamine in Pavlovian and operant tasks. While there is abundant evidence that an operant lever press requires intact dopamine (DA) D1 transmission in the nucleus accumbens (ACB) and in the basolateral amygdala (BLA), there is conflicting evidence regarding the specific brain sites at which DA mediates a Pavlovian approach response. The present study was designed to compare the effects of ACB and BLA D1 receptor-blockade on an operant and Pavlovian task, while minimizing

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16

Théberge, Florence Rose Marie. "Striatal mechanisms of Pavlovian drug memories and their reconsolidation." Thesis, University of Cambridge, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.611348.

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17

Levita, Liat. "Pavlovian aversive conditioning : the role of the nucleus accumbens." Thesis, University of Cambridge, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.621288.

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18

Jones, Dirk Andrew. "Functional neuroanatomy of blocking and inhibition of Pavlovian conditioning /." Digital version accessible at:, 1998. http://wwwlib.umi.com/cr/utexas/main.

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19

Alarcón, Daniel. "The specific Pavlovian-to-instrumental transfer (PIT) effect in humans." Thesis, University of Nottingham, 2016. http://eprints.nottingham.ac.uk/32733/.

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In Pavlovian conditioning subjects learn the predictive relation between a conditioned stimulus (CS) and a motivationally significant unconditioned stimulus (US), while in instrumental conditioning subjects learn the predictive relation between their responses and a motivationally significant outcome. Both types of associative learning interact in the phenomenon known as the Pavlovian-to-instrumental transfer (PIT) effect. In a PIT procedure subjects received Pavlovian conditioning, in which different CSs are paired with different outcomes (CS1→O1; CS2→O2, etc), and instrumental training, in w

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20

Hall, J. "The roles of the amygdala and hippocampus in Pavlovian conditioning." Thesis, University of Cambridge, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.599869.

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This thesis investigates the roles of the amygdala and hippocampus in Pavlovian conditioning. Three questions are addressed. First, what is the involvement of discrete sub-nuclei of the amygdala in Pavlovian conditioning? Second, what molecular processes accompany the retrieval of Pavlovian associations? Third, what changes in gene expression are induced during the acquisition of a Pavlovian association? The basolateral region of the amygdala (BLA) is widely believed to represent the site of CS-US association in Pavlovian conditioning. Recent experiments have however suggested that the BLA may

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21

Rigby, Peter Thomas. "Synaptic plasticity processes underlying consolidation and reconsolidation of Pavlovian conditioning." Thesis, University of Bath, 2013. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.607146.

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In the field of drug addiction, relapse back to drug seeking and taking is the major unmet clinical need. The rate of relapse back to drug-taking is ~70-80% within a year of drug abstinence. Gaining a better understanding of the prolonged neuronal changes that have taken place during drug addiction may lead to the design of better anti-relapse therapies. It is now widely believed that one component of drug addiction is by aberrant learning and memory processes. To study this, we investigated synaptic changes caused by the development of drug-seeking behaviour in C57BL/6J mice. Mice were treate

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22

Ebrahimi, Claudia [Verfasser]. "Neural mechanisms and pharmacological modulation of Pavlovian learning / Claudia Ebrahimi." Berlin : Humboldt-Universität zu Berlin, 2021. http://d-nb.info/1228858543/34.

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23

Chow, Jonathan J. "EXAMINING MEMORY CONSOLIDATION AND RECONSOLIDATION IN AN APPETITIVE PAVLOVIAN TASK." UKnowledge, 2015. http://uknowledge.uky.edu/psychology_etds/84.

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Memory plays an important role in defining how one behaves. The neurobiological mechanisms of memory have been studied extensively in animal models and the NMDA glutamate receptor has been identified to play an important role in the consolidation and reconsolidation of appetitive memories. Certain memories, depending on what was learned, can function differently and can be more difficult to disrupt based on a number of factors. Currently, no study has examined whether or not a reward-predictive stimulus attributed with incentive value is more difficult to disrupt than a stimulus that functions

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24

Garbusow, Maria, Daniel J. Schad, Christian Sommer, Elisabeth Jünger, Miriam Sebold, Eva Friedel, Jean Wendt, et al. "Pavlovian-to-Instrumental Transfer in Alcohol Dependence: A Pilot Study." Karger, 2014. https://tud.qucosa.de/id/qucosa%3A71629.

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Background: Pavlovian processes are thought to play an important role in the development, maintenance and relapse of alcohol dependence, possibly by influencing and usurping ongoing thought and behavior. The influence of pavlovian stimuli on ongoing behavior is paradigmatically measured by pavlovian-to-instrumental transfer (PIT) tasks. These involve multiple stages and are complex. Whether increased PIT is involved in human alcohol dependence is uncertain. We therefore aimed to establish and validate a modified PIT paradigm that would be robust, consistent and tolerated by healthy controls as

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25

Morse, Ashleigh. "The Determinants of Specific Pavlovian-Instrumental Transfer in the Nucleus Accumbens Shell." Thesis, The University of Sydney, 2016. http://hdl.handle.net/2123/16289.

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In the service of their basic needs and desires, animals and humans can use information from their environment to guide their choice between actions. In the laboratory, the ability for reward-predictive cues to control action selection is studied through outcome-specific Pavlovian-instrumental transfer (PIT-S), in which a stimulus associated with a particular outcomes biases choice between actions towards the response that earned that same outcome. This thesis investigates the determinants of PIT-S within the nucleus accumbens shell (NAc-S), which is selectively recruited to mediate PIT-S, and

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26

Ryan, Katherine M. "Methodological differences in Pavlovian fear learning, extinction and return of fear." Thesis, Griffith University, 2021. http://hdl.handle.net/10072/410147.

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Examining methodological differences in fear conditioning and extinction studies is a growing area of research, inspired by the recent ‘replication crisis’ in psychological research. Determining whether methodological differences of fear conditioning and extinction paradigms contribute to inconsistent findings is important in terms of the translational value of this paradigm as an experimental analogue of exposure-based cognitive behavioural therapy. The aim of this thesis was to improve the experimental methodology of fear conditioning and extinction studies, by addressing three key questions

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27

Vo, Tang Anna. "The role of ghrelin in Pavlovian and instrumental learning and performance." Thesis, The University of Sydney, 2018. http://hdl.handle.net/2123/17915.

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Ghrelin is an orexigenic peptide that binds to the growth hormone secretagogue receptor (GHS-R). While it is known for regulating homeostatic feeding, recent research has revealed a role for ghrelin in reward-seeking. Missing from this research, however, is a systematic investigation into the role of ghrelin in reward-seeking: it is unclear whether ghrelin provides a reward signal, energises instrumental actions that earn palatable foods, or affects the ability of Pavlovian food-paired cues or food itself to invigorate instrumental responding, either generally or through the retrieval of speci

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28

Leonard, Sarah. "Mediated learning in the rat : implications for perceptual learning." Thesis, University of York, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.265556.

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29

Morutto, Sara Lidia. "Role of the perifornical region of the lateral hypothalamus in appetitive conditioning." Thesis, University of York, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.288040.

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30

Day, Jeremy Jason Carelli Regina M. "Nucleus accumbens neurons encode Pavlovian approach behaviors evidence from an autoshaping paradigm /." Chapel Hill, N.C. : University of North Carolina at Chapel Hill, 2007. http://dc.lib.unc.edu/u?/etd,848.

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Thesis (M.A.)--University of North Carolina at Chapel Hill, 2007.<br>Title from electronic title page (viewed Dec. 18, 2007). "... in partial fulfillment of the requirements for the degree of Master of Arts in the Department of Psychology." Discipline: Psychology; Department/School: Psychology.

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31

Ulmen, Adam Richard. "The NMDA receptor antagonist MK-801 renders pavlovian fear conditioning state-dependent." Kent State University / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=kent1430140456.

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32

Villarreal, Ronald Paul. "Pavlovian conditioning of social affiliative behavior in the Mongolian gerbil, Meriones unguiculatus /." Digital version accessible at:, 1999. http://wwwlib.umi.com/cr/utexas/main.

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33

Quail, Stephanie Louise. "The Associative Mechanism & Neural Correlates of Pavlovian-Instrumental Transfer in Humans." Thesis, The University of Sydney, 2017. http://hdl.handle.net/2123/18244.

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The ability to adapt to a changing environment requires the ability to extract predictive information to guide future action. Predictive information regarding the relationship between the performance of an action, or some external stimulus, and the delivery of a rewarding outcome can influence behaviour. Additionally, these processes can interact; reward-predictive stimuli can influence action-selection and guide choice, effects that can be examined in the laboratory using tests of Pavlovian-instrumental transfer (PIT). In these tests, a stimulus associated with a specific outcome biases acti

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34

Wachtel, Jonathan Miller. "Pavlovian Conditioning Between Cocaine Stimulant Effects and a Discrete Sensory Cue: Implementation of an Alternating Conditioning Procedure." Oberlin College Honors Theses / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=oberlin1312045624.

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35

Mathers, Claire. "Motivational mechanisms underlying General Pavlovian-to-Instrumental Transfer (PIT) : the effects of negative mood." Thesis, University of Sussex, 2015. http://sro.sussex.ac.uk/id/eprint/54342/.

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The extent to which motivational mechanisms contribute to reward seeking processes is crucial to our understanding of certain abnormal behaviours, including addiction. Pavlovian conditioning endows reward-associated stimuli with the ability to modulate goal-directed actions for that same reward (Pavlovian-to-Instrumental transfer; PIT). Learning and motivational theories attempt to describe the processes by which stimuli in the environment acquire incentive properties, attract attention and drive reward-seeking behaviours and bear many resemblances, but there are also important differences. Th

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36

Murphy, Robin A. J. "Pavlovian conditioning is the consequence of more than just the number of CS-US pairings." Thesis, McGill University, 1993. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=69630.

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Three Pavlovian conditioning experiments with rats were performed to test predictions from models of associative learning. The procedure in all 3 experiments involved assessing conditioned responding to a Light that was compounded with either perfect or imperfect auditory signals for food. In Experiment 1 a partially reinforced Light which signaled 100% of the food pellets acquired a greater ability to elicit a conditioned response when the auditory cues with which it was paired were relatively poor predictors of the food. In Experiment 2 the Light was still a moderate positive predictor for f

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37

Washio, Yukiko. "Pavlovian conditioning of LPS-induced TNF-a regulation, sickness behavior and taste aversion in mice." abstract and full text PDF (free order & download UNR users only), 2008. http://0-gateway.proquest.com.innopac.library.unr.edu/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:3320564.

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38

Anderson, Lauren C. "Prefrontal Cortex Circuitry in Sex Differences of Context-Mediated Renewal of Appetitive Pavlovian Conditioned Responding." Thesis, Boston College, 2017. http://hdl.handle.net/2345/bc-ir:107602.

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Thesis advisor: Gorica D. Petrovich<br>Learned associations are formed when cues from the environment are paired with biologically important events and can later drive appetitive and aversive behaviors. These behaviors can persist and reappear after extinction because the original learned associations continue to exist. In particular, cues previously associated with food can later stimulate appetite and food consumption in the absence of hunger. Renewal, or reinstatement, of extinguished conditioned behaviors may help explain the mechanisms underlying persistent responding to food cues and dif

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39

Lesaint, Florian. "Modélisation du conditionnement animal par représentations factorisées dans un système d'apprentissage dual : explication des différences inter-individuelles aux niveaux comportemental et neurophysiologique." Thesis, Paris 6, 2014. http://www.theses.fr/2014PA066287/document.

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Le conditionnement Pavlovien, l'acquisition de réponses vers des stimuli neutres associés à des récompenses, et le conditionnement instrumental, l'expression de comportements pour atteindre des buts, sont au cœur de nos capacités d'apprentissage. Ils sont souvent étudiés séparément malgré les preuves de leur enchevêtrement. Les modèles de conditionnement instrumental reposent sur le formalisme de l'apprentissage par renforcement (RL), alors que les modèles du conditionnement Pavlovien reposent surtout sur des architectures dédiées souvent incompatibles avec ce formalisme, compliquant l'étude d

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40

Keefer, Sara Elizabeth. "The Influence of the Basolateral Amygdala-medial Prefrontal Cortex Circuitry in Appetitive Cue Learning and Valuation." Thesis, Boston College, 2018. http://hdl.handle.net/2345/bc-ir:107940.

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Thesis advisor: Gorica D. Petrovich<br>Environmental cues that are neutral in respect to hunger and feeding can come to predict food through Pavlovian appetitive conditioning. These learned cues can drive food seeking and eating independent of physiological hunger leading to overeating and obesity. However, the food outcome, and thus the value of the cues, can change due to environmental alterations. A change in the values of learned cues requires altering behavioral responses to accurately reflect the cue’s new outcome. This behavioral flexibility is necessary to respond appropriately to chan

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41

Prevel, Arthur. "Etude du conditionnement rétrograde dans une procédure de renforcement conditionné." Thesis, Lille 3, 2017. http://www.theses.fr/2017LIL30040/document.

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Chez l’espèce humaine comme pour de nombreuses autres espèces animales, lorsque des stimuli environnementaux précèdent de façon régulière la présentation d’événements importants pour un individu, ces stimuli vont acquérir sous certaines conditions la capacité à évoquer des comportements dits d’anticipation. Cette capacité est considérée par de nombreux auteurs comme ayant une haute valeur adaptative, favorisant le contact avec des événements appétitifs et permettant l’évitement d’événements aversifs. Ces dernières décennies, deschercheurs ont initié un rapprochement entre le phénomène d’antici

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Newmark, Jordan A. "Sex Differences in Orexin Activation Patterns of Fear-Cue Induced Inhibition of Eating in Rats." Thesis, Boston College, 2013. http://hdl.handle.net/2345/bc-ir:104427.

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Thesis advisor: Gorica Petrovich<br>Thesis advisor: Christina Reppucci<br>In order to understand the neurobiological basis for the phenomenon in which environmental cues override physiological cues to influence the behavioral control of feeding, we utilized an animal model for fear-cue induced inhibition of eating. Female rats that had learned to associate a tone with foot-shocks showed inhibition of eating across three extinction tests, whereas male rats that had received tone-shock pairings extinguished their inhibition of eating after the first test day. We assessed activation of orexin (OR

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Kuthyar, Meghana. "Extinction of fear-cue induced inhibition of eating in male and female rats: Activation of brainstem nuclei." Thesis, Boston College, 2013. http://hdl.handle.net/2345/bc-ir:104426.

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Thesis advisor: Gorica D. Petrovich<br>Thesis advisor: Christina Reppucci<br>We are interested in exploring the instances in which environmental controls can override physiologic or homeostatic cues, and additionally the areas of the brain that might be implicated in such behavioral effects. For this study, we replicated a previously established behavioral finding in which male and female rats show fear-cue induced inhibition of eating, and that female rats take longer than male rats to extinguish this behavior. We assessed brain activation via Fos-expression in the NTS and DMX in the brainste

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44

Huskey, Alisa Mae. "Computational and Human Learning Models of Generalized Unsafety." Diss., Virginia Tech, 2020. http://hdl.handle.net/10919/99797.

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The Generalized Unsafety Theory of Stress proposes that physiological markers of generalized stress impair learning of safe cues in stressful environments. Based on this model, chronic problems inhibiting physiological arousal lead to a heightened perception of threat, which involves experiencing anxiety symptoms without any obvious precipitating stressful or traumatic event. This investigation aims to determine the impact of stressor- versus context-related emotional learning on generalized unsafety, using a Pavlovian threat-conditioning paradigm. The difference in learning threatening cues (

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45

Fruehstorfer, David Brian. "Predicting Health-related Outcomes with the Formal Characteristics of Behavior – Temperament Inventory (FCB-TI): Exploring Interactions of FCB-TI Traits." Kent State University / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=kent1278557105.

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46

Reinhardt, Emily K. "The NR2B subunit and differential rearing: the role of the amygdala and hippocampus in the acquisition of Pavlovian conditioned fear." Thesis, Kansas State University, 2015. http://hdl.handle.net/2097/20335.

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Master of Science<br>Department of Psychological Sciences<br>Mary Cain<br>Research has demonstrated that an enriched rearing environment improves learning in many tasks. However, growing evidence suggests that an enriched environment may not provide the same benefits during a fear conditioning paradigm. In fact, it appears that an isolated rearing environment may facilitate acquisition of fear to an aversive stimulus. The neural mechanisms responsible for this disparity in fear learning among differentially reared animals are currently unknown. The NR2B subunit of the NMDA receptor has been sh

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47

DELAHAYE, QUENTIN. "Framework for Classical Conditioning in a MobileRobot: Development of Pavlovian Model andDevelopment of Reinforcement Learning Algorithmto Avoid and Predict Noxious Events." Thesis, Örebro universitet, Institutionen för naturvetenskap och teknik, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:oru:diva-35771.

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Nowadays, robots have more and more sensors and the technologies allow using them with less contraints as before. Sensors are important to learn about the environment. But the sensors can be used for classical conditioning, and create behavior for the robot. One of the behavior developed in this thesis is avoiding and predicting obstacles. The goal of this thesis is to propose a model which consists of developing a specific behavior to avoid noxious event, obstacles.

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48

Polanská, Michaela. "Questionnement sur la diversité du Pavlovien morave par l'étude technologique des gisements de Milovice I, Pavlov I, Pavlov VI, Dolni Vestonice II-WS, Predmosti Ib (République Tchèque)." Thesis, Paris 1, 2018. http://www.theses.fr/2018PA01H037.

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En Europe centrale et, en particulier en Moravie et en Silésie, se forment entre 28.000 - 25.500 BP non calibré des concentrations des sites situés le long d'un corridor naturel, le seul passage reliant l'Europe du Nord et du Sud. Le terme de «Pavlovien» fut créé pour englober ces sites qui avec leur richesse matérielle, sociale, culturelle et symbolique représentent un témoignage extraordinaire de ce que furent les sociétés du Paléolithique supérieur. Afin de revisiter la définition du Pavlovien, nous proposons une nouvelle lecture de leurs industries lithiques. Un examen approfondi réalisé s

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Kim, Jee Hyun Psychology Faculty of Science UNSW. "Extinction of conditioned fear in the developing rat." Publisher:University of New South Wales. Psychology, 2008. http://handle.unsw.edu.au/1959.4/41106.

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The present thesis examined extinction of conditioned fear in the developing rat. In the adult rat, the hippocampus is thought to be important for the context-specificity of extinction. Because the hippocampus is a late-maturing structure, it was hypothesised that context-modulation of extinction may be different across development. The first series of experiments investigated reinstatement of extinguished fear in the developing rat (Chapter 2). The results showed that P24 rats exhibited context-specific reinstatement. On the other hand, P17 rats did not exhibit reinstatement of extinguished f

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Taylor, Amanda Lee. "Elucidating the fear - maintaining properties of the Ventral Tegmental Area." Thesis, University of Canterbury. Psychology, 2008. http://hdl.handle.net/10092/2853.

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Abstract:

The ventral tegmental area (VTA) and its dopaminergic (DA) mesocorticolimbic projections are thought to be essential in the brain’s reward neurocircuitry. In humans and animal experimental subjects, mild electrical VTA stimulation increases dopamine levels and can induce euphoria. Paradoxically, aversive stimuli activate VTA neurons and forebrain DA activity, and excessive electrical stimulation of the VTA exaggerates fearfulness. Research suggests that experimental manipulation of either the amygdala or the VTA has similar effects on the acquisition and expression of Pavlovian conditioned fe

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