Document Detail

Facilitation and interference in spatial and body reference frames.
MedLine Citation:
PMID:  23192338     Owner:  NLM     Status:  MEDLINE    
The observation of someone else's action facilitates similar actions in the observer. Such priming effects can be driven by alignment between the observer and the observed in body-centred or spatial coordinates (or both). The separate and joint contributions of these sources of priming remain to be fully characterised. Here, we compare spatial and body priming effects across the whole body "space", by using hand and foot responses. This allows a clearer separation of body priming from spatial priming than available from previous studies. In addition, we demonstrate two further features of these action priming effects. First, there are general interference and facilitation effects when the layout of viewed displays matches the participant's body (e.g. hand above the foot). These effects have not been considered in previous studies. Second, by taking these layout effects into account, we identify the facilitation and interference components of spatial and body priming effects. Both types of priming effect are observed, and facilitation and interference effects are only observed when both body and spatial frames of reference are working in the same direction. These findings show that in action perception, the behaviours of others are processed simultaneously in multiple frames of reference that have complex, interacting effects--both facilitating and interfering--on the motor system of the observer.
Alison J Wiggett; Paul E Downing; Steven P Tipper
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2012-11-29
Journal Detail:
Title:  Experimental brain research     Volume:  225     ISSN:  1432-1106     ISO Abbreviation:  Exp Brain Res     Publication Date:  2013 Mar 
Date Detail:
Created Date:  2013-02-11     Completed Date:  2013-07-22     Revised Date:  2013-12-13    
Medline Journal Info:
Nlm Unique ID:  0043312     Medline TA:  Exp Brain Res     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  119-31     Citation Subset:  IM    
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MeSH Terms
Analysis of Variance
Foot / physiology
Hand / anatomy & histology,  physiology
Psychomotor Performance / physiology
Reaction Time / physiology
Self Concept
Space Perception / physiology*
Visual Perception / physiology*
Young Adult

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