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Microcircuits in nucleus accumbens’ shell and core involved in cognition and reward

Microcircuits in nucleus accumbens’ shell and core involved in cognition and reward Nucleus accumbens subserves numerous adaptive and goal-directed behaviors. The anatomical substrates for such are the medium spiny projection neurons, at least four different subtypes of local circuit neurons, and inputs from limbic cortical centers and brainstem monoamines. In this review, we show how microcircuits in two parts of the nucleus—the core and caudomedial shell or septal pole— differ subtly in their connections yet permit quite different behaviors. We further show how small differences in synaptic wiring, especially in relation to the local circuit neurons, can facilitate or suppress behavioral activity. Finally, we consider some important organizational principles that underlie cognitive, emotional, and rewarding behaviors. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Psychobiology Springer Journals

Microcircuits in nucleus accumbens’ shell and core involved in cognition and reward

Psychobiology , Volume 27 (2) – Nov 4, 2013

 
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References (190)

Publisher
Springer Journals
Copyright
Copyright © 1999 by Psychonomic Society, Inc.
Subject
Psychology; Cognitive Psychology
ISSN
0889-6313
DOI
10.3758/BF03332112
Publisher site
See Article on Publisher Site

Abstract

Nucleus accumbens subserves numerous adaptive and goal-directed behaviors. The anatomical substrates for such are the medium spiny projection neurons, at least four different subtypes of local circuit neurons, and inputs from limbic cortical centers and brainstem monoamines. In this review, we show how microcircuits in two parts of the nucleus—the core and caudomedial shell or septal pole— differ subtly in their connections yet permit quite different behaviors. We further show how small differences in synaptic wiring, especially in relation to the local circuit neurons, can facilitate or suppress behavioral activity. Finally, we consider some important organizational principles that underlie cognitive, emotional, and rewarding behaviors.

Journal

PsychobiologySpringer Journals

Published: Nov 4, 2013

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