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MedLine Citation:
PMID:  21384426     Owner:  NLM     Status:  Publisher    
BACKGROUND: Huntington's disease (HD) is an autosomal dominant degenerative brain disorder that is characterized by motor, cognitive, and affective symptoms. There is, to some, degree, phenomenological overlap with schizophrenia. Schizophrenia patients are frequently impaired in "theory of mind" (ToM), that is, the ability to reflect on the mental states of self and others, with mixed evidence for a ToM deficit in HD. METHODS: We examined ToM and neurocognitive functioning in 25 patients diagnosed with HD. For comparison, 25 patients with schizophrenia and 25 healthy controls, matched for age and gender, were included. RESULTS: Patients with HD were impaired in ToM relative to controls. The pattern of neurocognitive deficits including ToM strikingly resembled the one found in schizophrenia, suggesting a selectively impaired ToM. In contrast to previous schizophrenia research, ToM was not associated with functional measures on the Unified Huntington's Disease Rating Scale (UHDRS). CONCLUSIONS: The present study shows that patients with HD have deficits in ToM similar to schizophrenia. The association of impaired ToM with function needs to be established in future studies using rating scales that more specifically address interpersonal problems. © 2011 Movement Disorder Society.
Martin Brüne; Karina Blank; Henning Witthaus; Carsten Saft
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-3-7
Journal Detail:
Title:  Movement disorders : official journal of the Movement Disorder Society     Volume:  -     ISSN:  1531-8257     ISO Abbreviation:  -     Publication Date:  2011 Mar 
Date Detail:
Created Date:  2011-3-8     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 © 2011 Movement Disorder Society.
Research Department of Cognitive Neuropsychiatry and Psychiatric Preventive Medicine, LWL University Hospital, Ruhr-University Bochum, Bochum, Germany.
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