Document Detail

Automatic imitation of intransitive actions.
MedLine Citation:
PMID:  18077067     Owner:  NLM     Status:  MEDLINE    
Previous research has indicated a potential discontinuity between monkey and human ventral premotor-parietal mirror systems, namely that monkey mirror systems process only transitive (object-directed) actions, whereas human mirror systems may also process intransitive (non-object-directed) actions. The present study investigated this discontinuity by seeking evidence of automatic imitation of intransitive actions--hand opening and closing--in humans using a simple reaction time (RT), stimulus-response compatibility paradigm. Left-right and up-down spatial compatibility were controlled by ensuring that stimuli were presented and responses executed in orthogonal planes, and automatic imitation was isolated from simple and complex orthogonal spatial compatibility by varying the anatomical identity of the stimulus hand and response hemispace, respectively. In all conditions, action compatible responding was faster than action incompatible responding, and no effects of spatial compatibility were observed. This experiment therefore provides evidence of automatic imitation of intransitive actions, and support for the hypothesis that human and monkey mirror systems differ with respect to the processing of intransitive actions.
Clare Press; Geoffrey Bird; Eamonn Walsh; Cecilia Heyes
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Publication Detail:
Type:  Controlled Clinical Trial; Journal Article; Research Support, Non-U.S. Gov't     Date:  2008-02-20
Journal Detail:
Title:  Brain and cognition     Volume:  67     ISSN:  1090-2147     ISO Abbreviation:  Brain Cogn     Publication Date:  2008 Jun 
Date Detail:
Created Date:  2008-05-26     Completed Date:  2008-08-13     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8218014     Medline TA:  Brain Cogn     Country:  United States    
Other Details:
Languages:  eng     Pagination:  44-50     Citation Subset:  IM    
Department of Psychology, University College London, 26 Bedford Way, London WC1H 0AP, UK.
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MeSH Terms
Functional Laterality
Imitative Behavior / physiology*
Motor Neurons / physiology*
Psychomotor Performance / physiology*
Reaction Time
Spatial Behavior
Visual Fields
Grant Support
//Biotechnology and Biological Sciences Research Council

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