Document Detail


Prospective strategies underlie the control of interceptive actions.
MedLine Citation:
PMID:  16730090     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The purpose of this study was to test whether a constant bearing angle strategy could account for the displacement regulations produced by a moving observer when attempting to intercept a ball following a curvilinear path. The participants were asked to walk through a virtual environment and to change, if (deemed) necessary, their walking speed so as to intercept a moving ball that followed either a rectilinear or a curvilinear path. The results showed that ball path curvature did indeed influence the participants' displacement kinematics in a way that was predicted by adherence to a constant bearing angle strategy mode of control. Velocity modifications were found to be proportional to the magnitude of target curvature with opposing curvatures giving rise to mirror displacement velocity changes. The role of prospective strategies in the control of interceptive action is discussed.
Authors:
Julien Bastin; Cathy Craig; Gilles Montagne
Publication Detail:
Type:  Journal Article     Date:  2006-05-26
Journal Detail:
Title:  Human movement science     Volume:  25     ISSN:  0167-9457     ISO Abbreviation:  Hum Mov Sci     Publication Date:  2006 Dec 
Date Detail:
Created Date:  2006-11-13     Completed Date:  2007-03-22     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8300127     Medline TA:  Hum Mov Sci     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  718-32     Citation Subset:  IM    
Affiliation:
UMR Mouvement et Perception, Université de la Méditerranée & CNRS, Faculté des Sciences du Sport, 163 Avenue de Luminy, 13009 Marseille, France.
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MeSH Terms
Descriptor/Qualifier:
Adult
Humans
Learning
Motor Activity
Psychomotor Performance*
Reaction Time
Space Perception
User-Computer Interface
Visual Perception
Walking

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