The effect of dopamine on response inhibition in Parkinson's disease relates to age-dependent patterns of nigrostriatal degeneration.


Charité - Universitätsmedizin Berlin, Movement Disorders and Neuromodulation Unit, Department of Neurology, Campus Virchow Klinikum and Campus Mitte, Charitéplatz 1, 10119, Berlin, Germany. Electronic address: [Email]


Motor but also non-motor effects are modulated by dopamine (DA) in Parkinson's disease (PD). Impaired inhibition has been related to dopamine overdosing of the associative striatum. We compared effects of dopaminergic medication on inhibitory control in patients with young (age at onset <50 years, YOPD) and late onset PD (LOPD) and related them to nigrostriatal degeneration.


Dopamine overdose hypothesis,FP-CIT SPECT,Inhibition,Striatum,Young and late onset Parkinson's disease,

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