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neostriatum

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ne·o·stri·a·tum (n-str-tm)
n.
The caudate nucleus and putamen considered as one, and distinguished from the globus pallidus.

neostriatum
[-strī·ā′təm]
the most recently evolved part of the corpus striatum, consisting of the caudate nucleus and putamen. The neostriatum receives input from the entire cerebral cortex and other brain areas and provides output to the basal nuclei.

neostriatum [ne″o-stri-a´tum]
the more recently developed part of the corpus striatum, comprising the caudate nucleus and the putamen.

neostriatum
the more recently developed part of the corpus striatum, comprising the caudate nucleus and the putamen.


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In the early stages of learning, dopamine plays an essential role and the corresponding brain area in the loop is the neostriatum, which is the primary recipient of glutamatergic input from almost all the cortical regions and also the primary recipient of the major dopaminergic input from the mid-brain dopamine neurons involved in reward processing.
Biochem Pharmacol 45: 1035-1042 Martone ME, Armstrong DM, Young SJ, Groves PM (1992) Ultrastructural examination of enkephalin and substance P input to cholinergic neurons within the neostriatum.
The neostriatum may belong to a brain system devoted to the gradual learning of both mental and physical habits, the researchers propose.
 
 
 
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