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Dissertations / Theses on the topic 'Association cortex'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Chavez, Candice Monique. "Top-down modulation by medial prefrontal cortex of basal forebrain activation of auditory cortex during learning." CSUSB ScholarWorks, 2006. https://scholarworks.lib.csusb.edu/etd-project/3053.

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The experiment tested the hypothesis that the acetylcholine (ACh) release in the rat auditory cortex is greater in rats undergoing auditory classical conditioning compared to rats in a truly random control paradigm where no associative learning takes place and that this is mediated by prefrontal afferent projections influencing the nucleus basalis magnocellularis (NBM), which in turn modulates ACh release in neocortex. Rats with bilateral ibotenic acid lesions of medial prefrontal and agranular insular cortices were tested in an auditory classical conditioning task while ACh was collected from

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2

Hietanen, Jari K. "Visual processing in a primate temporal association cortex : insensitivity to self-induced motion." Thesis, University of St Andrews, 1993. http://hdl.handle.net/10023/14576.

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An animal's own behaviour can give rise to sensory stimulation that is very similar to stimulation of completely external origin. Much of this self-induced stimulation has little informative value to the animal and may even interfere with the processing of externally-induced stimulation. A high-level association area in the temporal cortex of macaque (superior temporal polysensory area, STP) which has been shown to participate in the analysis of visual motion was targeted in a series of experiments in order to investigate whether this brain area discriminates externally- and self-induced stimu

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3

Morris, Renée. "The association fiber system linking the mid-dorsolateral frontal cortex with the retrosplenial cortex and the posterior hippocampal region in the rhesus monkey /." Thesis, McGill University, 1996. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=42100.

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The study of patients has shown that certain higher cognitive processes, such as those involved in the monitoring and the manipulation of information within working memory, depend on the integrity of both the dorsolateral frontal cortex and the medial temporal lobe memory system, as well as on their functional interaction (Petrides, 1994). Small surgical removal of the anterior temporal region, including the entorhinal cortex, is not sufficient to interrupt that fronto-hippocampal relationship. More extensive removals, however, that include a sizeable portion of the hippocampus and the surroun

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Morris, Renée. "The association fiber system linking the mid-dorsolateral frontal cortex with the retrosplenial cortex and the posterior hippocampal region in the rhesus monkey." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape16/PQDD_0007/NQ30342.pdf.

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5

Machon, Michelle S. "The involvement of the primate frontal cortex-basal ganglia system in arbitrary visuomotor association learning." Thesis, Massachusetts Institute of Technology, 2009. http://hdl.handle.net/1721.1/46816.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Brain and Cognitive Sciences, 2009.<br>This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.<br>Includes bibliographical references (p. 97-103).<br>It is the goal of this thesis to examine the frontal cortex-basal ganglia system during arbitrary visuomotor association learning, the forming of arbitrary links between visual stimuli and motor responses (e.g. red means stop), a fundamental learning process that underlies much of our complex

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6

Wohlwend, Martin. "Investigation of an Exercise-Induced State of Hypofrontality : And its Potential Association with Central Fatigue." Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for nevromedisin, 2012. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-16840.

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The reticular-activating hypofrontality model of acute exercise (RAH) predicts exercise-induced hypoactivity in frontal cortex which mediates executive function. Connors Continuous Performance Test (CCPT) was used to investigate changes in executive function during- and post treadmill running in healthy volunteers (n=30, 15 male). In a randomized order, subjects performed the CCPT at rest, during low- (LI; 63% maximal heart rate; MHR) and moderate intensity (MI; 75% MHR). Separately, subjects then performed isocalorifically matched exercise bouts of LI, MI and high intensity interval training

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7

Andreau, Jorge Mario. "Neural mechanisms of executive control by the prefrontal cortex during memory retrieval processes in a pair-association task." Kyoto University, 2012. http://hdl.handle.net/2433/157661.

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Kyoto University (京都大学)<br>0048<br>新制・課程博士<br>博士(人間・環境学)<br>甲第16950号<br>人博第593号<br>新制||人||142(附属図書館)<br>23||人博||593(吉田南総合図書館)<br>29625<br>京都大学大学院人間・環境学研究科共生人間学専攻<br>(主査)教授船橋新太郎, 教授齋木潤, 准教授月浦崇<br>学位規則第4条第1項該当

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8

Keulen, Silvia van Verfasser], and Nikos K. [Akademischer Betreuer] [Logothetis. "Catecholaminergic Modulation of Sensory Processing in functionally distinct Primary Sensory and Association Cortex / Silvia van Keulen ; Betreuer: Nikos K. Logothetis." Tübingen : Universitätsbibliothek Tübingen, 2017. http://d-nb.info/1199545740/34.

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9

Keulen, Silvia van [Verfasser], and Nikos K. [Akademischer Betreuer] Logothetis. "Catecholaminergic Modulation of Sensory Processing in functionally distinct Primary Sensory and Association Cortex / Silvia van Keulen ; Betreuer: Nikos K. Logothetis." Tübingen : Universitätsbibliothek Tübingen, 2017. http://d-nb.info/1199545740/34.

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10

FORESTIER-BEN, HAMIDA CHRISTIANE. "Etude qualitative et quantitative de l'ontogenese post-natale du gyrus supra-sylvien du chat : correlations spatio-temporelles de differents indicateurs morphologiques de developpement." Paris 6, 1987. http://www.theses.fr/1987PA066167.

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11

Mell, Thomas, Isabell Wartenburger, Alexander Marschner, Arno Villringer, Friedel M. Reischies, and Hauke R. Heekeren. "Altered function of ventral striatum during reward-based decision making in old age." Universität Potsdam, 2009. http://opus.kobv.de/ubp/volltexte/2010/4523/.

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Normal aging is associated with a decline in different cognitive domains and local structural atrophy as well as decreases in dopamine concentration and receptor density. To date, it is largely unknown how these reductions in dopaminergic neurotransmission affect human brain regions responsible for reward-based decision making in older adults. Using a learning criterion in a probabilistic object reversal task, we found a learning stage by age interaction in the dorsolateral prefrontal cortex (dIPFC) during decision making. While young adults recruited the dlPFC in an early stage of learning re

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12

Kompus, Kristiina. "How the past becomes present neural mechanisms governing retrieval from episodic memory /." Doctoral thesis, Umeå : Umeå university, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-31873.

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13

Aly, Mahmoud Mayada. "Role of prefrontal cortex dopamine in associative learning." Thesis, Aix-Marseille, 2017. http://www.theses.fr/2017AIXM0185.

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La dopamine du cortex préfrontal (PFC) est impliquée dans l’apprentissage et dans la prise de décision liée à l’effort. Comme l’apprentissage ne peut se faire sans effort, il n’est pas clair aujourd’hui si la dopamine est nécessaire pour l’apprentissage, ou pour l’engagement de l’effort pour apprendre. Dans ce travail, les rats apprenaient à pousser un levier pour obtenir de la nourriture, soit avec (apprentissage par observation, LeO) ou sans (essai-et-erreur, TE) observation préalable d’un congénère exécutant la tâche. TE et la phase d’exécution de LeO nécessitent l’effort physique (overt le

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14

Le, Guen Yann. "Etude en imagerie-génétique des asymétries des structures du lobe temporal : association de leurs caractéristiques propres à l'homme avec des données génétiques." Thesis, Université Paris-Saclay (ComUE), 2018. http://www.theses.fr/2018SACLS268/document.

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La structure asymétrique du lobe temporal a déjà été démontrée. Ces asymétries structurelles sont souvent supposées comme support à la latéralisation du langage chez l’homme. Une asymétrie remarquable est celle du sillon temporal supérieur (STS) observée dès la naissance chez l’homme, mais pas chez le chimpanzé. Dans cette thèse, nous nous intéressons aux origines génétiques sous-jacentes à cette asymétrie. Dans ce but, nous utilisons des méthodes d’extraction automatiques de structures asymétriques comme les racines sulcales ou les gyri transverses (plis de passage, PPs). Premièrement, nous r

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15

Carrere, Maxime. "Combiner les apprentissages motivés et associatifs." Thesis, Bordeaux, 2016. http://www.theses.fr/2016BORD0191/document.

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Pour pouvoir être autonomes dans un environnement complexe, les humains comme les systèmes artificiels doivent posséder un apprentissage souple et capable de s’adapter au changement. Dans cette thèse, nous nous intéressons à comment cette autonomie peut être obtenue par interactions entre les différents systèmes d’apprentissage de notre cerveau. Pour cela, nous modélisons dans une approche inspirée de la biologie le comportement de certaines des parties du cerveau impliquées dans les apprentissages répondant et opérant, et observons comment leurs interactions permettent un apprentissage flexib

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Fieschi, Maxime. "Plasticité d'un réseau du cortex à barils lors de l'apprentissage et dans un modèle murin du syndrome de l'X fragile." Thesis, Aix-Marseille, 2013. http://www.theses.fr/2013AIXM4083/document.

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Les vibrisses ou moustaches, sont représentées de façon très précise au niveau cortical. Cette représentation forme une carte qui peut varier selon l’expérience ou l’apprentissage. La plasticité corticale est parfois altérée dans des maladies. C’est le cas du syndrome de l’X-fragile où la protéine FMRP n’est plus produite. Notre hypothèse est double : 1- La plasticité opérant dans le cortex somato-sensoriel primaire lors d’un conditionnement associatif est primordiale pour l’apprentissage. 2- FMRP peut perturber cette plasticité et altérer l’acquisition de la mémoire. Mon travail de thèse s’es

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17

Wiegand, Hauke Felix [Verfasser]. "Sensory and associative microcircuits in the olfactory cortex / Hauke Felix Wiegand." Berlin : Medizinische Fakultät Charité - Universitätsmedizin Berlin, 2013. http://d-nb.info/1035638703/34.

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18

Thiel, Angela Grace. "Paired associative stimulation of the human motor cortex affects sensory acuity /." Title page and abstract only, 2004. http://web4.library.adelaide.edu.au/theses/09HS/09hst431.pdf.

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19

Chase, E. Alexander. "Forms of flexibility : associations between executive functions in the rat." Thesis, University of St Andrews, 2013. http://hdl.handle.net/10023/3365.

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Executive control is a vital cognitive function that facilitates the focussing and shifting of attention, planning and working towards a goal, ignoring distractions, and flexibly responding to novel situations. Disruptions to executive control are seen in many psychiatric and neurodegenerative disorders, as well as healthy ageing, which can be profoundly detrimental. Despite having many effective and well-validated methodologies for detecting and quantifying these deficits, there are very few treatments — pharmacological or otherwise — for ameliorating executive dysfunction. This lack of progr

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Chakirova, Goultchira. "Orbitofrontal sulcogyral morphology : its distribution, structural and functional associations, and predictive value in different diagnostic groups." Thesis, University of Edinburgh, 2013. http://hdl.handle.net/1842/8098.

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Bipolar affective disorder and schizophrenia are highly heritable psychiatric illnesses and the leading causes of worldwide disability. The orbitofrontal cortex (OFC) is a region of the frontal lobe with wide spread connectivity with other brain areas involved in reward, motivation and emotion. Evidence from various neuroimaging, genetic, post-mortem and brain lesion studies suggest that orbitofrontal cortex may play a role in pathophysiology of mental illnesses. This thesis sought to investigate the pathogenesis of major psychiatric illnesses through the investigation of orbitofrontal morphol

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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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22

Gauvreau, Claudie. "La TMS pairée associative du cortex moteur primaire et du lobule pariétal inférieur : une évaluation avec l’IRM fonctionnelle." Mémoire, Université de Sherbrooke, 2017. http://hdl.handle.net/11143/10648.

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Les méthodes non-invasives de neuro-imagerie et de neurostimulation peuvent être combinées pour mieux comprendre les connexions dans le cerveau. Pour la première fois, une étude combine de façon séquentielle l’IRM fonctionnelle (fMRI) et un protocole de TMS associative pairée cortico-corticale (TMS-PAScc) sur le cortex moteur primaire (M1) et sur le lobule pariétal inférieur (LPI) dans l’hémisphère gauche. La TMS module-t-elle le couplage neurovasculaire et permet-elle de renforcer une connexion fonctionnelle qui soit détectable à la fMRI à l’état de repos (RS-fMRI)? 10 sujets droitiers

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Cowen, Stephen Leigh. "Selective Delay Activity In The Medial Prefrontal Cortex: The Contribution Of Sensory-Motor Information And Expectation." Diss., The University of Arizona, 2007. http://hdl.handle.net/10150/195558.

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The medial prefrontal cortex (mPFC) plays a critical role in the organization of goal directed behavior. This role is suggested by the anatomy of mPFC as the region rests at the top of a complex cortical and sub-cortical hierarchy, receives convergent sensory and motor information from multiple modalities, and is the target of modulatory brainstem nuclei that respond to prediction and reward. Given these observations, it was hypothesized that mPFC neurons store associations between stimuli when the stimuli contribute to the prediction of reward. To test this hypothesis, neural ensemble spiking

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Pron, Alexandre. "Etude de la connectivité structurelle des faisceaux d'association courts de la substance blanche du cerveau humain en IRM de diffusion." Thesis, Aix-Marseille, 2019. http://www.theses.fr/2019AIXM0391.

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Les fibres d’association courtes (fibres en U) de la substance blanche connectent des territoires corticaux situés dans des gyri adjacents. L’estimation in vivo de l’extension spatiale de ces fibres requiert des données IRM pondérées en diffusion (IRMd) à résolution spatiale et angulaire élevée afin de limiter l’effet du volume partiel à l’interface cortex/substance blanche et de capturer la complexité des configurations de fibres de la matière blanche superficielle. De telles données nécessitent des méthodes de prétraitement adaptées. De plus, l’étude quantitative de la connectivité de ces fi

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Duffau, Céline. "Implication de la connectivité anatomo-fonctionnelle des régions du cortex frontal dans la formation et la consolidation de la mémoire associative olfactive chez le rongeur." Thesis, Bordeaux, 2019. http://www.theses.fr/2019BORD0250.

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Initialement encodés dans l’hippocampe, les nouveaux souvenirs déclaratifs, aussi appelés engrammes, deviennent progressivement dépendants d’un réseau distribué de neurones corticaux au cours de leur maturation. Bien que le rôle du cortex dans le stockage de la mémoire ancienne (MA) ait été clairement démontré, plusieurs études montrent que certains réseaux corticaux pourraient être recrutés précocement, dès l’encodage, et participeraient après maturation, au stockage de la trace mnésique. Ceci a notamment été suggéré pour le cortex frontal, dans lequel des changements structuraux et fonctionn

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Simon, Stéphane. "IRM fonctionnelle du traitement visuel associatif : processus d'identification des visages familiers et transformations visuo-motrices." Université Joseph Fourier (Grenoble), 2002. http://www.theses.fr/2002GRE19018.

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Divers systèmes de traitement organisés de façon hiérarchique sont à la base de la fonction associative. Les expériences décrites intéressent l'organisation fonctionnelle du traitement visuel associatif, à travers deux exemples. La technique d'exploration fonctionnelle mise en œuvre, l'IRM fonctionnelle, permet de corréler de faibles variations locales de débit sanguin cérébral à l'exécution d'une tâche précise. Ainsi il devient possible de localiser certaines fonctions cérébrales, sous couvert d'hypothèses spécifiques. Dans le chapitre I, un intérêt majeur est donné à la signification du sign

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Dulas, Michael Robert. "Age-related changes in overcoming proactive interference in associative memory: the role of VLPFC-mediated post-retrieval selection." Diss., Georgia Institute of Technology, 2014. http://hdl.handle.net/1853/52293.

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Behavioral evidence has shown that older adults are less able to overcome proactive interference in memory than young adults. However, it is unclear what underlies this deficit. Imaging studies in the young suggest overcoming interference may require post-retrieval selection, a process thought to be mediated by the left mid-ventrolateral prefrontal cortex (VLPFC). Further, selection may resolve interference by enhancing or suppressing perceptual processing. The present fMRI study investigated whether age-related changes in VLPFC-mediated post-retrieval selection underlie older adults' deficits

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Boisselier, Lise. "Bases neuronales de l’apprentissage associatif multisensoriel : implication différentielle du cortex entorhinal et de l’hippocampe chez le rat." Thesis, Lyon, 2016. http://www.theses.fr/2016LYSE1261/document.

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L'objectif de cette thèse est d'étudier l'implication de deux structures de la formation hippocampique, le cortex entorhinal latéral (CEL) et l'hippocampe dorsal (DH), dans les processus sous-tendant la formation et la flexibilité d'associations entre deux stimuli de modalités sensorielles différentes : l'olfaction et le toucher. Pour cela, une tâche bimodale olfacto-tactile (OT) est développée chez le rat. Dans celle-ci, l'animal doit apprendre à identifier une combinaison "odeur-texture" spécifique parmi les trois proposées afin d'obtenir un renforcement (ex: O1T1+ O2T1 O1T2, + désignant la

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Lesburgueres, Edith. "Implication fonctionnelle de l’interface hippocampo-corticale dans le processus de consolidation systémique de la mémoire associative non spatiale chez le rat : contribution du mécanisme d’étiquetage neuronal." Thesis, Bordeaux 1, 2009. http://www.theses.fr/2009BOR13982/document.

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La formation et le stockage à long terme des souvenirs mettent en jeu le processus de consolidation mnésique. S’il est maintenant bien admis que ce processus requiert une interaction entre la formation hippocampique et différentes régions corticales dépositaires des souvenirs, les mécanismes qui sous-tendent ce dialogue restent encore mal connus. En combinant chez le rat des approches comportementale, d’imagerie cellulaire et d’inactivations pharmacologiques des voies de signalisation intracérébrales impliquées dans l’épigenèse, nous avons cherché dans ce travail de thèse à élucider certains d

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Save, Etienne. "Rôle du cortex pariétal associatif dans l'élaboration et l'utilisation des représentations spatiales chez le rat : comparaison avec l'hippocampe." Aix-Marseille 3, 1993. http://www.theses.fr/1993AIX30029.

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L'hypothese d'une organisation hierarchisee des representations spatiales chez le rat trouve un echo dans la diversite des strategies comportementales mises en uvre par les animaux, dans les taches d'apprentissage spatial. Cette diversite pourrait refleter l'intervention de differentes structures nerveuses. Or, depuis une vingtaine d'annees, l'hippocampe est considere comme etant le substrat neuro-anatomique des processus impliques dans l'elaboration des cartes cognitives et dans la memoire spatiale. Cette theorie a ete moderee par des donnees recentes qui suggerent que le cortex parietal asso

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San-Galli, Aurore. "Aspects comportementaux et neurobiologiques de la réévaluation rétrospective chez le rat." Toulouse 3, 2010. http://thesesups.ups-tlse.fr/890/.

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La Réévaluation Rétrospective (RR) reflète la capacité d'un sujet humain ou animal à inférer le statut d'un stimulus absent, à partir d'évènements qui lui ont été associés. Lorsque le conditionnement (présentations renforcées) d'un stimulus composite est suivi de la manipulation de l'un des éléments de ce composite (compétiteur), le caractère prédictif de l'autre élément (cible), absent, est modifié. La RR impliquant des mécanismes de compétition, la présentation renforcée (inflation) ou non-renforcée (extinction) du stimulus compétiteur se traduit respectivement par une réduction ou une augme

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Alcaraz, Fabien. "Circuits thalamocorticaux de la prise de décision." Thesis, Bordeaux, 2015. http://www.theses.fr/2015BORD0446/document.

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La capacité des organismes à survivre dans un environnement changeant dépendlargement de leur aptitude à prendre des décisions adaptées. Cette fonction complexerésulte notamment de l’intégration de processus de prédiction et de contrôle de l’action,classiquement étudiés dans le corpus théorique et méthodologique des apprentissagesassociatifs. Les bases neurobiologiques de ces processus sont largement distribués au seinde circuits au sein desquels le cortex préfrontal et son afférence principale, le thalamusmédiodorsal (MD) jouent un rôle important. Dans ce contexte, le travail entrepris au cou

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Conde, Ruiz Virginia. "The role of network interactions in timing-dependent plasticity within the human motor cortex induced by paired associative stimulation." Doctoral thesis, Universitätsbibliothek Leipzig, 2013. http://nbn-resolving.de/urn:nbn:de:bsz:15-qucosa-129770.

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Spike timing-dependent plasticity (STDP) has been suggested as one of the key mechanism underlying learning and memory. Due to its importance, timing-dependent plasticity studies have been approached in the living human brain by means of non-invasive brain stimulation (NIBS) protocols such as paired associative stimulation (PAS). However, contrary to STDP studies at a cellular level, functional plasticity induction in the human brain implies the interaction among target cortical networks and investigates plasticity mechanisms at a systems level. This thesis comprises of two independent studie

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Kaneko, John, and Lam Chen Yu. "Associativ minnesinkodning: Jämförelse av minnesteknikerna enhetsskapande och satsbyggande i studentpopulation." Thesis, Stockholms universitet, Psykologiska institutionen, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-78783.

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Grundsyftet med denna experimentella minnesstudie var att jämföra två minnesteknikers effektivitet på associativt minne hos en studentpopulation. Vidare undersöktes hur minnesteknikerna i kombination med divergent tänkande eller genereringseffekten påverkar associativt minne. 32 psykologstudenter genomförde hela testet där de först utförde alternate uses task för att mäta individuella skillnader i divergent tänkande. Testpersonerna studerade sedan 89 ordpar antingen genom tekniken enhetskapande där ett enhetligt objekt gjordes av ordparet (ex. fruktlampa) eller satsbyggande där orden sattes in

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Chaillan, Franck. "Implication du cortex piriforme et de l'hippocampe lors d'un apprentissage olfactif associatif chez le rat : approches comportementale et électrophysiologique." Aix-Marseille 1, 1994. http://www.theses.fr/1994AIX11062.

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Le but de ce travail a ete d'etudier 1) l'implication du cortex piriforme (olfactif) lors de l'apprentissage et de la memorisation d'un test olfactif associatif, 2) ses relations anatomo-fonctionnelles avec la formation hippocampique, une structure impliquee dans les processus mnesiques. Pour cela, nous avons combine des techniques comportementales et electrophysiologiques chroniques chez le rat. Une premiere serie d'experiences a permis de definir les parametres duree de l'intervalle inter-essai, nombre d'essais, paires d'odeurs necessaires pour obtenir le meilleur apprentissage possible chez

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Stahlhoferh, Mariane. "Níveis de suprimento de energia via suplemento para desempenho de bovinos de corte em pastagem tropical." Universidade Estadual do Oeste do Paraná, 2017. http://tede.unioeste.br/handle/tede/3305.

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Submitted by Helena Bejio (helena.bejio@unioeste.br) on 2018-02-15T12:19:23Z No. of bitstreams: 2 Dissertação Mariane(2).pdf: 1036590 bytes, checksum: a69a7346d4681b2639599544ec84bee9 (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5)<br>Made available in DSpace on 2018-02-15T12:19:23Z (GMT). No. of bitstreams: 2 Dissertação Mariane(2).pdf: 1036590 bytes, checksum: a69a7346d4681b2639599544ec84bee9 (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) Previous issue date: 2017-10-02<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Su

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Aime, Mattia. "Circuit mechanisms for encoding discriminative learning in the dorsal prefrontal cortex of behaving mice." Thesis, Bordeaux, 2017. http://www.theses.fr/2017BORD0805/document.

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Chez les mammifères, le néocortex constitue une structure remarquablement plastique assurant leurs multiples capacités d’adaptation et d’apprentissage. Par exemple, l’apprentissage associatif permet à chaque individu d’apprendre les relations entre un événement particulier (un danger par exemple) et les signaux environnementaux qui y sont associés, afin d’en anticiper les conséquences s’il se reproduit dans le futur. Dans le cas de la peur conditionnée, l'apprentissage associatif améliore les capacités de discrimination des signaux de menace et de sécurité, garantissant ainsi une représentatio

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Melo, Thaise Pinto de. "Genome-wide association study of reproduction traits in Nelore cattle, including additional phenotypic information from non-genotyped animals /." Jaboticabal, 2015. http://hdl.handle.net/11449/123734.

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Orientador: Roberto Carvalheiro<br>Coorientador: Lucia Galvão de Albuquerque<br>Banca: Henrique Nunes de Oliveira<br>Banca: Idalmo Garcia Pereira<br>Resumo: Esta dissertação foi dividida em três capítulos, o primeiro é uma revisão de literatura sobre o assunto que será discutido nos capítulos seguintes. No segundo capítulo, foi realizado um estudo de associação genômica ampla para a característica idade ao primeiro parto (IPP) em gado Nelore, que objetivou: 1) avaliar se a informação fenotípica adicional dos animais não genotipados afeta o mapeamento de QTLs da IPP; avaliar, por simulação, se

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Melo, Thaise Pinto de [UNESP]. "Genome-wide association study of reproduction traits in Nelore cattle, including additional phenotypic information from non-genotyped animals." Universidade Estadual Paulista (UNESP), 2015. http://hdl.handle.net/11449/123734.

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Made available in DSpace on 2015-06-17T19:33:48Z (GMT). No. of bitstreams: 0 Previous issue date: 2015-02-26. Added 1 bitstream(s) on 2015-06-18T12:48:02Z : No. of bitstreams: 1 000834416.pdf: 589713 bytes, checksum: e67aef51366f6081936855769601b405 (MD5)<br>Esta dissertação foi dividida em três capítulos, o primeiro é uma revisão de literatura sobre o assunto que será discutido nos capítulos seguintes. No segundo capítulo, foi realizado um estudo de associação genômica ampla para a característica idade ao primeiro parto (IPP) em gado Nelore, que objetivou: 1) avaliar se a informação fenotíp

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Pinheiro, Priscila da Costa. "Estratégias de organização da sociedade civil: as associações de imigrantes portugueses na corte (1860 – 1882)." Universidade Federal de Juiz de Fora, 2011. https://repositorio.ufjf.br/jspui/handle/ufjf/2139.

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Submitted by Renata Lopes (renatasil82@gmail.com) on 2016-07-19T13:04:30Z No. of bitstreams: 1 prisciladacostapinheiro.pdf: 779705 bytes, checksum: 0310ada5b9cca5fc42d0e89d223c38ba (MD5)<br>Approved for entry into archive by Adriana Oliveira (adriana.oliveira@ufjf.edu.br) on 2016-07-22T15:14:27Z (GMT) No. of bitstreams: 1 prisciladacostapinheiro.pdf: 779705 bytes, checksum: 0310ada5b9cca5fc42d0e89d223c38ba (MD5)<br>Made available in DSpace on 2016-07-22T15:14:27Z (GMT). No. of bitstreams: 1 prisciladacostapinheiro.pdf: 779705 bytes, checksum: 0310ada5b9cca5fc42d0e89d223c38ba (MD5) Previ

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Grossi, Daniela do Amaral [UNESP]. "Efeito de marcadores moleculares sobre características de crescimento e reprodutivas de bovinos da raça Canchim." Universidade Estadual Paulista (UNESP), 2011. http://hdl.handle.net/11449/102793.

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Made available in DSpace on 2014-06-11T19:32:16Z (GMT). No. of bitstreams: 0 Previous issue date: 2011-02-01Bitstream added on 2014-06-13T20:23:19Z : No. of bitstreams: 1 grossi_da_dr_jabo.pdf: 310388 bytes, checksum: 2b91ab5f611fab0a39c17b2857959958 (MD5)<br>Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)<br>Neste trabalho, o objetivo foi estudar a associação de marcadores moleculares dos genes do fator do crescimento semelhante à insulina tipo 1 (IGF1), do hormônio do crescimento (GH) e do fator de transcrição da pituitária (PIT1) com pesos ao nascimento (PN), à desmama (PD),

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Grossi, Daniela do Amaral. "Efeito de marcadores moleculares sobre características de crescimento e reprodutivas de bovinos da raça Canchim /." Jaboticabal : [s.n.], 2011. http://hdl.handle.net/11449/102793.

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Resumo: Neste trabalho, o objetivo foi estudar a associação de marcadores moleculares dos genes do fator do crescimento semelhante à insulina tipo 1 (IGF1), do hormônio do crescimento (GH) e do fator de transcrição da pituitária (PIT1) com pesos ao nascimento (PN), à desmama (PD), aos 12 (P12) e aos 18 (P18) meses de idade, ganho do nascimento a desmama (GND), idade (IPP) e peso (PPP) ao primeiro parto e perímetro escrotal medido aos 12 (PE12) e 18 (PE18) meses de idade em bovinos da raça Canchim. Análises pelo método de máxima verossimilhança restrita, sob modelo animal indicaram que o gene I

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Vargas, Giovana. "A genomic association and prediction of principal components of growth traits and visual scores in Nellore cattle /." Jaboticabal, 2018. http://hdl.handle.net/11449/180489.

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Orientador: Roberto Carvalheiro<br>Coorientador: Danísio Prado Munari<br>Coorientador: Haroldo Henrique de Rezende Neves<br>Resumo: A análise de componentes principais (ACP) é uma técnica da estatística multivariada usada para avaliar as relações entre diferentes características a fim de eliminar a redundância resultante de suas correlações. No melhoramento genético animal, a ACP tem sido usada para explorar possíveis interpretações biológicas associadas aos componentes principais (CPs) que podem levar a caracterização de diferentes biotipos de animais. Os objetivos do presente estudo foram: i

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Reis, Odair John Dias dos. "Cultura associativa e estratégias de organização no Rio de Janeiro Imperial: associações de imigrantes portugueses na corte (1860-1889)." reponame:Repositório Institucional da UFOP, 2014. http://www.repositorio.ufop.br/handle/123456789/4961.

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Programa de Pós-Graduação em História. Departamento de História, Instituto de Ciências Humanas e Sociais, Universidade Federal de Ouro Preto.<br>Submitted by Oliveira Flávia (flavia@sisbin.ufop.br) on 2015-04-07T21:24:53Z No. of bitstreams: 2 license_rdf: 22190 bytes, checksum: 19e8a2b57ef43c09f4d7071d2153c97d (MD5) DISSERTAÇÃO_CulturaAssociativaEstratégias.pdf: 762606 bytes, checksum: e41b93e20f752bd641c3c8a618da8fe4 (MD5)<br>Approved for entry into archive by Gracilene Carvalho (gracilene@sisbin.ufop.br) on 2015-04-08T14:51:09Z (GMT) No. of bitstreams: 2 license_rdf: 22190 bytes, checksum:

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Vicente, Sérgio Augusto. "Sociedades científicas, literárias e de instrução: dimensões da prática associativa dos homens de letras e sciencia na corte (1860-1882)." Universidade Federal de Juiz de Fora, 2012. https://repositorio.ufjf.br/jspui/handle/ufjf/1660.

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Submitted by Renata Lopes (renatasil82@gmail.com) on 2016-05-31T15:21:18Z No. of bitstreams: 1 sergioaugustovicente.pdf: 1341353 bytes, checksum: 612b1366be068e4270c4eeea5a88ad90 (MD5)<br>Approved for entry into archive by Adriana Oliveira (adriana.oliveira@ufjf.edu.br) on 2016-07-02T12:45:20Z (GMT) No. of bitstreams: 1 sergioaugustovicente.pdf: 1341353 bytes, checksum: 612b1366be068e4270c4eeea5a88ad90 (MD5)<br>Made available in DSpace on 2016-07-02T12:45:20Z (GMT). No. of bitstreams: 1 sergioaugustovicente.pdf: 1341353 bytes, checksum: 612b1366be068e4270c4eeea5a88ad90 (MD5) Previous is

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Ziminski, Joseph. "Intrinsic and synaptic adaptations in neuronal ensembles following recall of appetitive associative memories : investigations in the striatum and prefrontal cortex with the Fos-GFP mouse." Thesis, University of Sussex, 2018. http://sro.sussex.ac.uk/id/eprint/74246/.

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Learned associations between rewarding stimuli and environmental cues which predict their availability play an important role in guiding behaviour. These learned associations are thought to be encoded by neuroadaptations in disperse sets of strongly activated neurons, termed neuronal ensembles, located throughout motivationally-relevant brain areas. However to date, the nature of the adaptations which occur selectively on neuronal ensembles encoding appetitive associative memories remain largely unknown. Using the Fos-GFP mouse, which expresses green fluorescent protein (GFP) in recently activ

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Chaves, Geórgia Cristina Leite. "Eliminar a mutilação genital feminina/corte : relatório de estágio na Associação para o Planeamento da Família." Master's thesis, Instituto Superior de Economia e Gestão, 2020. http://hdl.handle.net/10400.5/20769.

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Mestrado em Desenvolvimento e Cooperação Internacional<br>A Mutilação Genital Feminina/Corte é uma prática tradicional prejudicial, assente na desigualdade de género, e que afeta cerca de 200 milhões de meninas e mulheres em vários países ao redor do mundo. Esta prática é reconhecida como uma forma de violência e de discriminação baseada no género, que traz efeitos negativos para a saúde física, psicológica, sexual e reprodutiva das mulheres, além de ser um desafio à nível mundial no que diz respeito ao usufruto dos direitos humanos das mulheres na sua totalidade. A eliminação da Mutilação Gen

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Guibert, Isis. "Importance des assemblages interspécifiques face aux variations environnementales. Étude intégrée comparative de différentes associations corail-bénitier." Electronic Thesis or Diss., Sorbonne université, 2018. http://www.theses.fr/2018SORUS337.

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Qu’il s’agisse de la compétition pour la nourriture, pour l’espace, ou autre relation, les interactions entre les organismes, directes ou indirectes, sont essentielles à l’élaboration d’une réponse adaptée. Pour les organismes marins sessiles ces interactions sont majoritairement d’ordre chimique. S’ajoutent à ces interactions les pressions environnementales qui impactent également la physiologie des organismes et donc leur capacité de réponse, particulièrement les organismes récifaux peu profonds, qui sont exposés par exemple à de plus fortes variations des températures de l’eau. Cependant le

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Braz, Camila Urbano [UNESP]. "Detecção de QTL para maciez da carne em bovinos da raça Nelore." Universidade Estadual Paulista (UNESP), 2016. http://hdl.handle.net/11449/143485.

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Submitted by Camila Urbano Braz null (camila_urbano@yahoo.com.br) on 2016-08-29T20:11:34Z No. of bitstreams: 1 Tese_Camila_Urbano_Braz.pdf: 2227912 bytes, checksum: 63cf8f89ad9895f8c74ed5d890e0b2f9 (MD5)<br>Approved for entry into archive by Juliano Benedito Ferreira (julianoferreira@reitoria.unesp.br) on 2016-08-30T18:25:24Z (GMT) No. of bitstreams: 1 braz_cu_dr_jabo.pdf: 2227912 bytes, checksum: 63cf8f89ad9895f8c74ed5d890e0b2f9 (MD5)<br>Made available in DSpace on 2016-08-30T18:25:24Z (GMT). No. of bitstreams: 1 braz_cu_dr_jabo.pdf: 2227912 bytes, checksum: 63cf8f89ad9895f8c74ed5d890e0b2

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Conde, Ruiz Virginia [Verfasser], Arno [Akademischer Betreuer] Villringer, Patrick [Akademischer Betreuer] Ragert, Joseph [Gutachter] Claßen, and Michael [Gutachter] Nitsche. "The role of network interactions in timing-dependent plasticity within the human motor cortex induced by paired associative stimulation / Virginia Conde Ruiz ; Gutachter: Joseph Claßen, Michael Nitsche ; Arno Villringer, Patrick Ragert." Leipzig : Universitätsbibliothek Leipzig, 2013. http://d-nb.info/1238527825/34.

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