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Review
. 2015 Aug 3;7(8):a021691.
doi: 10.1101/cshperspect.a021691.

The striatum: where skills and habits meet

Ann M Graybiel  1 , Scott T Grafton  2
Affiliations
Review

The striatum: where skills and habits meet

Ann M Graybiel et al. Cold Spring Harb Perspect Biol. .

Abstract

After more than a century of work concentrating on the motor functions of the basal ganglia, new ideas have emerged, suggesting that the basal ganglia also have major functions in relation to learning habits and acquiring motor skills. We review the evidence supporting the role of the striatum in optimizing behavior by refining action selection and in shaping habits and skills as a modulator of motor repertoires. These findings challenge the notion that striatal learning processes are limited to the motor domain. The learning mechanisms supported by striatal circuitry generalize to other domains, including cognitive skills and emotion-related patterns of action.

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