Document Detail

Straight ahead acts as a reference for visuomotor adaptation.
MedLine Citation:
PMID:  18478212     Owner:  NLM     Status:  MEDLINE    
One can adapt movement planning to compensate for a mismatch between vision and action. Previous research with prismatic lenses has shown this adaptation to be accompanied with a shift in the evaluation of one's body midline, suggesting an important role of this reference for successful adaptation. This interpretation leads to the prediction that rotation adaptation could be more difficult to learn for some directions than others. Specifically, we hypothesized that targets seen to the right of the body midline but for which a rotation imposes a movement to its left would generate a conflict leading to a bias in movement planning. As expected, we observed different movement planning biases across movement directions. The same pattern of biases was observed in a second experiment in which the starting position was translated 15 cm to the right of the participants' midline. This indicates that the "straight ahead" direction, not one's midline, serves as an important reference for movement planning during rotation adaptation.
Maxime Trempe; Luc Proteau
Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2008-05-14
Journal Detail:
Title:  Experimental brain research     Volume:  189     ISSN:  1432-1106     ISO Abbreviation:  Exp Brain Res     Publication Date:  2008 Jul 
Date Detail:
Created Date:  2008-07-03     Completed Date:  2008-10-09     Revised Date:  2013-12-13    
Medline Journal Info:
Nlm Unique ID:  0043312     Medline TA:  Exp Brain Res     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  11-21     Citation Subset:  IM    
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MeSH Terms
Adaptation, Physiological / physiology*
Analysis of Variance
Movement / physiology*
Photic Stimulation / methods
Psychomotor Performance / physiology*
Vision, Ocular / physiology*

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