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Impaired self-awareness of motor deficits in Parkinson's disease: Association with motor asymmetry and motor phenotypes.
MedLine Citation:
PMID:  22711290     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
BACKGROUND: This study investigated impaired self-awareness of motor deficits in nondemented, nondepressed Parkinson's disease (PD) patients during a defined clinical on state. METHODS: Twenty-eight PD patients were examined. Patients' self-ratings and experts' ratings of patients' motor performance were compared. Patient-examiner discrepancies and level of impairment determined severity of impaired self-awareness. Motor exam assessed overall motor functioning, hemibody impairment, and 4 motor phenotypes. Neuropsychological tests were also conducted. RESULTS: Signs of impaired self-awareness were present in 17 patients (60.7%). Higher severity of impaired self-awareness correlated significantly with higher postural-instability and gait-difficulty off scores (r = .575; P = .001), overall motor off scores (r = .569; P = .002), and higher left hemibody off scores (r = .490; P = .008). In multiple linear regression analyses, higher postural-instability and gait-difficulty off scores remained as the only significant predictor of impaired self-awareness severity. CONCLUSIONS: Postural instability and gait difficulties, disease severity, and right hemisphere dysfunction seem to contribute to impaired self-awareness. © 2012 Movement Disorder Society.
Authors:
Franziska Maier; George P Prigatano; Elke Kalbe; Michael T Barbe; Carsten Eggers; Catharine J Lewis; Richard S Burns; Jeannine Morrone-Strupinsky; Guillermo Moguel-Cobos; Gereon R Fink; Lars Timmermann
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-6-18
Journal Detail:
Title:  Movement disorders : official journal of the Movement Disorder Society     Volume:  -     ISSN:  1531-8257     ISO Abbreviation:  -     Publication Date:  2012 Jun 
Date Detail:
Created Date:  2012-6-19     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8610688     Medline TA:  Mov Disord     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012 Movement Disorder Society.
Affiliation:
Department of Neurology, University Hospital Cologne, Cologne, Germany.
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