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Document Type

Conference Paper/Presentation

Publication Date

10-2020

Advisor(s)

Dr. Jones Parker, PhD; Northwestern University, Feinberg School of Medicine

Abstract

Dopamine signaling is thought to alter the excitability of the striatum’s principal neurons (D1- and D2-SPNs). We used immunohistochemistry to quantify the expression of Fos, a marker of neural activity, in mice trained in a head-fixed, striatum-dependent fear conditioning task. We observed a relative increase in Fos-expressing D1- vs D2-SPNs, which may indicate how activity in these neurons facilitates motor learning. Our findings have implications for understanding disease processes that affect the dopamine system, such as Parkinson’s disease and schizophrenia.

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