Document Detail

Time perception of visual motion is tuned by the motor representation of human actions.
MedLine Citation:
PMID:  23378903     Owner:  NLM     Status:  In-Data-Review    
Several studies have shown that the observation of a rapidly moving stimulus dilates our perception of time. However, this effect appears to be at odds with the fact that our interactions both with environment and with each other are temporally accurate. This work exploits this paradox to investigate whether the temporal accuracy of visual motion uses motor representations of actions. To this aim, the stimuli were a dot moving with kinematics belonging or not to the human motor repertoire and displayed at different velocities. Participants had to replicate its duration with two tasks differing in the underlying motor plan. Results show that independently of the task's motor plan, the temporal accuracy and precision depend on the correspondence between the stimulus' kinematics and the observer's motor competencies. Our data suggest that the temporal mechanism of visual motion exploits a temporal visuomotor representation tuned by the motor knowledge of human actions.
Gioele Gavazzi; Ambra Bisio; Thierry Pozzo
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Publication Detail:
Type:  Journal Article     Date:  2013-01-30
Journal Detail:
Title:  Scientific reports     Volume:  3     ISSN:  2045-2322     ISO Abbreviation:  Sci Rep     Publication Date:  2013  
Date Detail:
Created Date:  2013-02-04     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101563288     Medline TA:  Sci Rep     Country:  England    
Other Details:
Languages:  eng     Pagination:  1168     Citation Subset:  IM    
Robotics, Brain and Cognitive Sciences Department , Fondazione Istituto Italiano di Tecnologia, Via Morego 30, 16163 Genoa, Italy ; Dipartimento di Informatica, Sistemistica e Telematica, Università degli Studi di Genova , Genova, Italy.
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