Effects of acute tryptophan depletion on cognition, memory and motor performance in Parkinson's disease.

Abstract

BACKGROUND Parkinson's disease (PD) is a neuropsychiatric disease, which is not only characterized by motor symptoms, but also by cognitive and psychiatric symptoms. It is hypothesized that some of the non-motor symptoms are related to the serotonergic deficiency that is present in PD. AIM To study the influence of serotonin on cognition, memory and motor… (More)

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