Label at right; structure in center
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|Latin
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|colspan="2"|[subject #189 ]
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|System
|colspan="2"|Central nervous system
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|Precursor
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|MeSH
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|Dorlands/Elsevier
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The putamen ( Abbreviation Pu) is a structure in the middle of the brain, which, together with the caudate nucleus forms the striatum.
The putamen is a portion of the basal ganglia that forms the outermost part of the
lenticular nucleus. It appears to play a role in reinforcement learning. It is coextensive with the insula, which has been found to contain mirror neurons. The motor and somatosensory cortices, the intralaminar nuclei of the thalamus, and the substantia nigra project to the putamen, and the putamen projects to premotor and supplementary motor areas of cortex via the globus pallidus and thalamus.
