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Fig. 2 | Molecular Medicine

Fig. 2

From: Clinical implications for dopaminergic and functional neuroimage research in cognitive symptoms of Parkinson’s disease

Fig. 2

Inverted U-shaped curve relationship between striatal dopamine level and the behavioral, cognitive performance. The effect of dopaminergic treatment (OFF: without medication, ON: with medication) in the cognitive performance differs by the baseline striatal dopamine level and the catechol-O-methyl transferase (COMT) activity, depending on its gene variant

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