Abstract:As the main input structure of the basal ganglia (BG), the striatum collects and integrates information from several brain areas and funnels them forward to other BG nuclei. The striatal projection neurons are medium‐sized spiny neurons classified in two main subpopulations, based on their neurochemical characterization and projection targets. These subpopulations are segregated into two distinct circuits, the direct and the indirect pathway, which originate in the striatum and interconnect the BG, ultimately … Show more
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