Mild Cognitive Impairment (MCI) affects about 27% of non-demented PD patients (PD-MCI), and about 30% of PD patients develop Parkinson’s disease dementia (PD-D). Already 20% of unmedicated de-novo PD patients have cognitive symptoms. They are highly relevant, as they limit the patients’ quality of life, increase caregiver burden, are an important indication for institutionalization, and are related to disease prognosis and mortality. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.ĭata Availability: All relevant data are within the paper and its Supporting Information files.įunding: This study was in part supported by the German Ministry for Education and Research (BMBF Bundesministerium für Bildung und Forschung LANDSCAPE study project-nr: 01GI1008c).Ĭompeting interests: The authors have declared that no competing interests exist.Ĭognitive dysfunction is frequent in patients with Parkinson’s disease (PD). Received: OctoAccepted: JPublished: July 20, 2016Ĭopyright: © 2016 Fengler et al. PLoS ONE 11(7):Įditor: Ornit Chiba-Falek, Duke University, UNITED STATES (2016) Screening for Cognitive Impairment in Parkinson's Disease: Improving the Diagnostic Utility of the MoCA through Subtest Weighting. Citation: Fengler S, Kessler J, Timmermann L, Zapf A, Elben S, Wojtecki L, et al.
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