Document Detail

The effects of handedness and reachability on perceived distance.
MedLine Citation:
PMID:  19968426     Owner:  NLM     Status:  MEDLINE    
Previous research has suggested that perceived distances are scaled by the action capabilities of the body. The present studies showed that when "reachability" is constrained due to a difficult grasp required to pick up an object, perceived distance to the object increases. Participants estimated the distances to tools with handle orientations that made them either easy or difficult to grasp with their dominant and nondominant hands. Right-handed participants perceived tools that were more difficult to grasp to be farther away than tools that were easier to grasp. However, perceived distance did not differ in left-handed participants. These studies suggest that, when reaching toward a target, the distance to that target is scaled in terms of how far one can effectively reach, given the type of reaching posture that is executed. Furthermore, this effect is modulated by handedness.
Sally A Linkenauger; Jessica K Witt; Jeanine K Stefanucci; Jonathan Z Bakdash; Dennis R Proffitt
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Publication Detail:
Type:  Journal Article; Research Support, U.S. Gov't, Non-P.H.S.    
Journal Detail:
Title:  Journal of experimental psychology. Human perception and performance     Volume:  35     ISSN:  1939-1277     ISO Abbreviation:  J Exp Psychol Hum Percept Perform     Publication Date:  2009 Dec 
Date Detail:
Created Date:  2009-12-08     Completed Date:  2010-03-01     Revised Date:  2013-05-31    
Medline Journal Info:
Nlm Unique ID:  7502589     Medline TA:  J Exp Psychol Hum Percept Perform     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1649-60     Citation Subset:  IM    
Department of Psychology, University of Virginia, P.O. Box 400400, Charlottesville, VA, 22904-4400, USA.
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MeSH Terms
Distance Perception / physiology*
Functional Laterality / physiology*
Hand / physiology
Hand Strength / physiology
Orientation / physiology
Psychomotor Performance / physiology
Space Perception / physiology
Grant Support
R01 MH075781-03/MH/NIMH NIH HHS

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