NEUROSCI 277 Lecture Notes - Lecture 4: Putamen, Globus Pallidus, Brainstem

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Motivation: intrinsic rewards/incentives that shape goals (into actions) Clc is the mousetrap, the csc is the cheese. Shapes our goal directed behaviors: what do we have to do to get what we want, how do we shape our instrumental behaviors to get what we want? (cid:1) Dorsal component: caudate nucleus, putamen nucleus. Ventral component: what we are more interested in: nacc: nucleus accumbens. We don"t have the spatial resolution to examine the nacc so we just examine the ventral component. Structure: o: divide the nacc into the core and the shell. The shell is what supports motivation and action. However, the bold signal can"t distinguish the core and the shell of the ventral striatum. Neighborhood: of the striatum o: lot of the same structures of the clc are involved in the csc to deal with behavior, the tail of it is the amygdala, under it is the hippocampus.

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