Physiology of the normal and dopamine-de
Physiology of the normal and dopamine-depleted basal ganglia: Insights into levodopa pharmacotherapy
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Anthony A. Grace
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Article
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2008
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John Wiley and Sons
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English
β 331 KB
Dopamine (DA) neurons exist in two activity states; either spontaneously firing or quiescent and nonfiring. When faced with a behavioral demand, the quiescent DA neurons can be activated to facilitate normal motor output. Levodopa appears to increase DA output by activating these nonfiring neurons;