Document Detail

Spatial contrast sensitivity is reduced in bilateral Parkinson's disease.
MedLine Citation:
PMID:  1866005     Owner:  NLM     Status:  MEDLINE    
We studied the contrast sensitivity functions of 41 patients with idiopathic Parkinson's disease (PD) with a wide range of parkinsonian symptomatology (Hoehn and Yahr stages 1 to 4) and 22 age-matched control subjects in a parametric design. Results demonstrated reduced contrast sensitivity in PD patients but only in those patients who had progressed beyond Hoehn and Yahr stage 1. Furthermore, there were deficits in contrast sensitivity related to the severity of PD.
J T Hutton; J L Morris; J W Elias; R Varma; J N Poston
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Neurology     Volume:  41     ISSN:  0028-3878     ISO Abbreviation:  Neurology     Publication Date:  1991 Aug 
Date Detail:
Created Date:  1991-09-06     Completed Date:  1991-09-06     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  0401060     Medline TA:  Neurology     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  1200-2     Citation Subset:  AIM; IM    
Parkinson's Disease Reasearch Center, St. Mary of the Plains Hospital, Lubbock, TX 79410.
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MeSH Terms
Aged, 80 and over
Analysis of Variance
Contrast Sensitivity*
Middle Aged
Parkinson Disease / physiopathology*
Severity of Illness Index
Comment In:
Neurology. 1992 May;42(5):1126-7   [PMID:  1579246 ]

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