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Premium The basal ganglia
Braunlich Kurt,
Seger Carol
Publication year2012
Publication title
wiley interdisciplinary reviews: cognitive science
Resource typeJournals
PublisherJohn Wiley & Sons
Abstract Through its connections with widespread cortical areas and with dopaminergic midbrain areas, the basal ganglia are well situated to integrate patterns of cortical input with the dopaminergic reward signal originating in the midbrain. In this review, we consider the functions of the basal ganglia in relation to its gross and cellular anatomy, and discuss how these mechanisms subserve the thresholding and selection of motor and cognitive processes. We also discuss how the dopaminergic reward signal enables flexible task learning through modulation of striatal plasticity, and how reinforcement learning models have been used to account for various aspects of basal ganglia activity. Specifically, we will discuss the important role of the basal ganglia in instrumental learning, cognitive control, sequence learning, and categorization tasks. Finally, we will discuss the neurobiological and cognitive characteristics of Parkinson's disease, Huntington's disease and addiction to illustrate the relationship between the basal ganglia and cognitive function. WIREs Cogn Sci 2013, 4:135–148. doi: 10.1002/wcs.1217 This article is categorized under: Neuroscience > Anatomy
Subject(s)artificial intelligence , basal ganglia , biology , categorization , central nervous system , cognition , cognitive science , computer science , dopamine , dopaminergic , midbrain , neuroscience , psychology
SCImago Journal Rank1.526

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