Document Detail

Quantification of postural sway patterns in tardive dyskinesia.
MedLine Citation:
PMID:  8101968     Owner:  NLM     Status:  MEDLINE    
An assessment was made of the orientation and variability in postural center of pressure patterns in individuals with tardive dyskinesia (TD) and/or developmental disability during quiet standing. Postural patterns were compared and contrasted between four groups of individuals: those with (a) TD and developmentally disabled (severely and profoundly retarded); (b) developmental disability only; (c) TD but of normal intelligence; and (d) a healthy control group. The center of pressure displacements were derived from the lateral, vertical, and anterior-posterior force and moment components of force platform measurements. Analyses demonstrated that individuals with TD in combination with developmental disability had a different center of pressure orientation and variability compared to healthy individuals and individuals suffering only from developmental disability or TD. The center of pressure pattern in the developmentally disabled TD group was characterized by a more prominent lateral orientation, whereas in the other three groups, it had a more predominant anterior-posterior orientation. In addition, the variability in these orientation components was much smaller in the developmentally disabled TD group, indicating a more regular pattern of sway in the center of pressure during quiet standing in these individuals. These findings show that assessments of postural center of pressure profile orientation and variability may be useful indicators for investigating TD, especially in distinguishing between developmental disability and TD.
R E van Emmerik; R L Sprague; K M Newell
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  Movement disorders : official journal of the Movement Disorder Society     Volume:  8     ISSN:  0885-3185     ISO Abbreviation:  Mov. Disord.     Publication Date:  1993 Jul 
Date Detail:
Created Date:  1993-09-02     Completed Date:  1993-09-02     Revised Date:  2008-11-21    
Medline Journal Info:
Nlm Unique ID:  8610688     Medline TA:  Mov Disord     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  305-14     Citation Subset:  IM; S    
Faculty of Human Movement Sciences, Vrije Universiteit, Amsterdam, The Netherlands.
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MeSH Terms
Antipsychotic Agents / adverse effects,  therapeutic use
Diagnosis, Differential
Dyskinesia, Drug-Induced / diagnosis,  physiopathology*
Mental Retardation / drug therapy,  physiopathology
Middle Aged
Models, Theoretical
Movement Disorders / diagnosis,  physiopathology
Neurologic Examination
Postural Balance / physiology*
Posture / physiology*
Grant Support
Reg. No./Substance:
0/Antipsychotic Agents

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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