Document Detail

Coupling of force variability in bimanual tapping with asymmetrical force.
MedLine Citation:
PMID:  15995257     Owner:  NLM     Status:  MEDLINE    
An experiment was conducted to examine the coupling of force variability in bimanual finger tapping sequences with asymmetrical forces. Right-handed participants were trained to produce bimanual finger tapping sequences consisted of an intertap interval of 500 ms and eight force conditions: two alternating force left high, two alternating force right high, two simultaneous force left high, and two simultaneous force right high conditions. During practice, visual force feedback was provided for both hands performing the bimanual tapping sequences. After practice, the participants produced the learned tapping sequences in the absence of feedback. Most importantly, whereas the peak force variability of the nondominant left hand was larger than that of the dominant right hand under the right high conditions, there was no left-right difference under the simultaneous left high conditions. This suggests that under the simultaneous left high conditions, both hemispheres were activated, resulting in overflow in the right hand, and bringing the two force variabilities closer together.
Nobuyuki Inui
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Motor control     Volume:  9     ISSN:  1087-1640     ISO Abbreviation:  Motor Control     Publication Date:  2005 Apr 
Date Detail:
Created Date:  2005-07-04     Completed Date:  2005-08-02     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  9706297     Medline TA:  Motor Control     Country:  United States    
Other Details:
Languages:  eng     Pagination:  164-79     Citation Subset:  IM    
Dept of Human Motor Control, Naruto University of Education, Naruto, Japan.
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MeSH Terms
Hand / physiology*
Motor Skills / physiology*

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

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