Document Detail

Difficulty modifying a sustained motor response in prodromal Huntington's disease.
MedLine Citation:
PMID:  23198997     Owner:  NLM     Status:  Publisher    
We investigated the nature of motor symptoms in the preclinical stage of Huntington's disease. Individuals with the CAG expanded repeat of Huntington's disease (prHD) and two control groups were tested on a task requiring a releasing movement (releasing a depressed button) followed by a ballistic movement (pressing a different button). Movement times were measured separately for releasing and ballistic movements. The mean reaction time of the prHD group was significantly longer when releasing a movement than that of the other groups. The groups, however, did not differ significantly on movement time for ballistic movements. Our results show that motor slowing is evident prior to the clinical diagnosis of Huntington's disease and may reflect difficulty in modifying a sustained motor program.
Laura Mickes; John T Wixted; Guerry M Peavy; Mark W Jacobson; Jody L Goldstein; Jody Corey-Bloom
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-12-3
Journal Detail:
Title:  Journal of clinical and experimental neuropsychology     Volume:  -     ISSN:  1744-411X     ISO Abbreviation:  J Clin Exp Neuropsychol     Publication Date:  2012 Dec 
Date Detail:
Created Date:  2012-12-3     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8502170     Medline TA:  J Clin Exp Neuropsychol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
a Department of Psychology , University of California , San Diego , La Jolla , CA , USA.
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