Last edited by Fauk
Sunday, May 17, 2020 | History

4 edition of theory of the striatum found in the catalog.

theory of the striatum

by J. Wickens

  • 19 Want to read
  • 29 Currently reading

Published by Pergamon Press in Oxford, New York .
Written in English

    Subjects:
  • Corpus striatum -- Physiology.,
  • Corpus Striatum -- physiology.,
  • Models, Neurological.,
  • Computer Simulation.

  • Edition Notes

    Includes bibliographical references (p. 149-176) and index.

    StatementJ. Wickens.
    SeriesPergamon studies in neuroscience;, no. 7
    Classifications
    LC ClassificationsQP383.9 .W53 1993
    The Physical Object
    Paginationxi, 182 p. :
    Number of Pages182
    ID Numbers
    Open LibraryOL1423845M
    ISBN 100080422780
    LC Control Number93034358

      The Basal ganglia, to adopt a phrase of Churchill's, are "a riddle wrapped in a mystery, inside an enigma." And although there is a wealth of information available on them, this research field remains controversial due in part to the diverse number of disciplines involved. A Theory of the Basal Ganglia and Their Disorders provides a clear, coherentCited by:   The human striatum has been previously implicated in the processing of positive reinforcement, but less is known about its role in processing negative reinforcement. In this experiment, participants learn specific approach or avoid responses, mediated by positive and negative reinforcers respectively, to investigate how affective learning and Cited by:

    striatum and speech-selective l-STS but, given the nature of the videogame task, we also performed a secondary analysis to explore the connectivity between the striatum and the localized visual and.   The scientists found that when a subject’s partner cooperated, activity increased in the ventral striatum, the brain’s primary reward center — as long as the subject had cooperated, too.

    Other articles where Corpus striatum is discussed: human nervous system: Basal ganglia: and globus pallidus form the corpus striatum. Emotion and motivation: the role of the amygdala, ventral striatum, and prefrontal cortex Rudolf N. Cardinal, John A. Parkinson (*), Jeremy Hall and Barry J. Everitt It is not the intention of this review to propose a new model of conditioning or a theory of emotion. Instead, the neural representations that govern two major classes of Cited by:


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Theory of the striatum by J. Wickens Download PDF EPUB FB2

A Theory of the Striatum 1st Edition by J. Wickens (Author)Cited by: Formalization of the model of the striatum involves expressing the anatomical and physiological assumptions in precise mathematical definitions.

In addition, many simplifications are required. Because of limitations on the computational facilities, many decisions are made beforehand such as which details to include and what to leave out. Summary: A serious attempt at a comprehensive theory of the striatium.

The first part is concerned with an analysis of evidence from anatomical, behavioural, clinical and pharmacological studies of the striatium. The second part is devoted to formalizing the model developed in the previous chapters.

Berns closely examines the role of dopamine as it operates in the Striatum (a part of the lower brain/brain stem).

Dopamine is the motivating neurochemical which moves us to by: The striatum is considered a motor region that has a role in planning and the initiation of voluntary movements, and it controls the proper timing, ordering and movement sequences.

The striatum’s activity is disrupted in Parkinson’s disease, which has symptoms such as resting tremors, a slow shuffling gait, and difficulty initiating.

The striatum is smaller than the cortex and has fewer neurons, and there are many more combinations of activity in cortical cells than there are cortical cells.

The striatum cannot be designed to detect and distinguish every possible arbitrary combination of activity in the cortex. Striatum is defined on the basis of its cortical connections, such that isocortex (neocortex) and allocortex (hippocampus and olfactory cortex) project to dorsal (caudate and putamen) and ventral striatum, respectively.

However, because cortico-striatal projections from the isocortex and allocortex overlap extensively in the boundary regions between dorsal and ventral striatum, it is impossible to define a. The three-stratum theory is a theory of cognitive ability proposed by the American psychologist John Carroll in It is based on a factor-analytic study of the correlation of individual-difference variables from data such as psychological tests, school marks and competence ratings.

The striatum, or corpus striatum (also called the neostriatum and the striate nucleus), is a nucleus (a cluster of neurons) in the subcortical basal ganglia of the striatum is a critical component of the motor and reward systems; receives glutamatergic and dopaminergic inputs from different sources; and serves as the primary input to the rest of the basal : D ACT–R includes a theory of how these buffers interact to determine cognition.

The basal ganglia and associated connections are thought to implement production rules in ACT–R. The cortical areas corresponding to these buffers project to the striatum, part of the basal ganglia, which we hypothesize performs a pattern. Psychobiology of the Striatum Hardcover – January 1, by A.

Cools (Author), A. Lohman (Author) See all formats and editions Hide other formats and editions. Price New from Used from Hardcover "Please retry" Cited by: This chapter reviews different aspects of ventral striatum. The ventral striatum, the accumbens, the main part of the olfactory tubercle, and the subcommissural part of the main body of the striatum are characterized by the same pattern of extrinsic connexions as the main, dorsal part of the striatum.

The Neostriatum presents the puzzles of the neostriatum from many different angles. This book presents significant findings concerning the structure and neurotransmitters of the neostriatum.

Organized into four parts encompassing 20 chapters, this book begins with an overview of the basic organization of the Edition: 1. The striatum is spatially subdivided into dorsal and ventral striatum. The dorsal striatum is topographically separated by the internal capsule to the caudate and putamen, while the ventral striatum contains the nucleus accumbens and the striatal part of the olfactory tubercle.

Histochemical, immunocytochemi- cal, and connectional studies of the striatum have demonstrated a compartmentalized organization such that small irregularly shaped patches are sur- rounded by a larger matrix'19 One organizational scheme that has been proposed is that the dorsal tier neurons project to the striatal matrix and the ventral tier neurons project to the striatal patches This theory is based on Cited by: This book provides a literature-based theoretical model of the basal ganglia (BG) and their involvement in neuropsychiatric diseases.

The author, Robert Miller, has published many articles and also monographs on the brain's : Lee Wei Lim, Yasin Temel. Carl Sagan, in his famous book Cosmos, explains that the structure of the brain reflects the phases through which it has passed.

Describing MacLean's theory, he states that the deepest part of the brain is the phylogenetically older part. It is located in the brain stem, the one in. A second question concerns the role of the striatum in aversive learning and in processing novel stimuli.

Developing an understanding of the role of the striatum in aversive learning represents a major challenge. RL theory has focused almost exclusively on the Cited by: The dorsomedial striatum or associative striatum has been shown to be critical for instrumental conditioning, in particular the acqui- sition of the action–outcome contingency (38, 40).

The striatum is spatially subdivided into dorsal and ventral striatum. The dorsal striatum is topographically separated by the internal capsule to the caudate and putamen, while the ventral striatum contains the nucleus accumbens, and the striatal part of the olfactory tubercle.

The striatum also plays a critical role in pair-bond formation and maintenance in monogamous voles. We review recent findings from single neuron recordings showing that the striatum contains cells.PDF | The ventral striatum is at the crossroads of neural networks that treat various aspects of reward processes and motivation.

This chapter reviews | Find, read and cite all the research you.Reward-Related Responses in the Human Striatum MAURICIO R. DELGADO Department of Psychology, Rutgers University, Newark, New Jersey, USA ABSTRACT: Much of our knowledge of how reward information is pro- cessed in the brain comes from a rich animal literature.