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Article

Cognitive impairment in Parkinson's disease.

Postgraduate medical journal - 1 Apr 2015

Cosgrove Jeremy, Alty Jane Elizabeth, Jamieson Stuart

Abstract excerpt

Cognitive impairment is a significant non-motor symptom of Parkinson's disease (PD). Longitudinal cohort studies have demonstrated that approximately 50% of those with PD develop dementia after 10 years, increasing to over 80% after 20 years. Deficits in cognition can be identified at the time of PD diagnosis in some patients and this mild cognitive impairment (PD-MCI) has been studied extensively over the last...

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Identifiers

PMID: 25814509
DOI: 10.1136/postgradmedj-2015-133247

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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