Document Detail

Production of successive force impulses by the left and right hands.
MedLine Citation:
PMID:  18782716     Owner:  NLM     Status:  MEDLINE    
Right-handed participants made ballistic force impulses with the index finger of their left or right hand to match the amplitude of 2 successive visual targets whose onset was separated by 600-850 ms. The targets specified either low- (10% of maximum voluntary contraction; MVC) or high- (25% MVC) force level and were presented in all combinations (low-low, low-high, high-low, high-high). The amplitude of the 1st force impulse affected that of the 2nd, forming an effect that was greatest at the shortest interresponse intervals and that decayed with increasing intervals. This effect was smaller with a shorter time course in the dominant hand than the nondominant hand, suggesting a greater ability of the dominant hand to make successive independent responses.
Geoffrey Hammond; Sashya Gunasekera
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Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  Journal of motor behavior     Volume:  40     ISSN:  0022-2895     ISO Abbreviation:  J Mot Behav     Publication Date:  2008 Sep 
Date Detail:
Created Date:  2008-09-10     Completed Date:  2008-11-06     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0236512     Medline TA:  J Mot Behav     Country:  United States    
Other Details:
Languages:  eng     Pagination:  409-16     Citation Subset:  IM    
School of Psychology, The University of Western Australia, Crawley, WA 6009, Australia.
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MeSH Terms
Functional Laterality / physiology*
Hand Strength / physiology*
Isometric Contraction / physiology*
Middle Aged
Psychomotor Performance / physiology*
Reaction Time / physiology*
Reference Values

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