What question did this study set out to answer?

To explore the relationship between neurotransmitter activities and cognition in Parkinson's disease.

Association of dopamine depletion and cholinergic basal forebrain atrophy with brain metabolism and cognition in Parkinson's disease

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This analysis highlights cognition deficits in Parkinson's disease related to neurotransmitter depletion and altered metabolism.

To explore the relationship between neurotransmitter activities and cognition in Parkinson's disease.
Enrolled 172 Parkinson's disease patients for assessments
Conducted neuropsychological testing alongside brain imaging
Utilized general linear models and mediation analyses for data evaluation.
Found a relationship between dopamine depletion and cognitive dysfunction in Parkinson's disease
Identified associations between brain metabolism and specific cognitive domains
Confirmed that posterior basal forebrain atrophy correlates with attention deficits.

Lee et al. (2025) studied this question.

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