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Action observation and acquired motor skills: An fMRI study with expert dancers

Calvo-Merino, B; Glaser, DE; Grezes, J; Passingham, RE; Haggard, P; (2005) Action observation and acquired motor skills: An fMRI study with expert dancers. CEREB CORTEX , 15 (8) 1243 - 1249. 10.1093/cercor/bhi007. Green open access

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Abstract

When we observe someone performing an action, do our brains simulate making that action? Acquired motor skills offer a unique way to test this question, since people differ widely in the actions they have learned to perform. We used functional magnetic resonance imaging to study differences in brain activity between watching an action that one has learned to do and an action that one has not, in order to assess whether the brain processes of action observation are modulated by the expertise and motor repertoire of the observer. Experts in classical ballet, experts in capoeira and inexpert control subjects viewed videos of ballet or capoeira actions. Comparing the brain activity when dancers watched their own dance style versus the other style therefore reveals the influence of motor expertise on action observation. We found greater bilateral activations in premotor cortex and intraparietal sulcus, right superior parietal lobe and left posterior superior temporal sulcus when expert dancers viewed movements that they had been trained to perform compared to movements they had not. Our results show that this 'mirror system' integrates observed actions of others with an individual's personal motor repertoire, and suggest that the human brain understands actions by motor simulation.

Type:Article
Title:Action observation and acquired motor skills: An fMRI study with expert dancers
Open access status:An open access version is available from UCL Discovery
DOI:10.1093/cercor/bhi007
Keywords:biological motion, expertise, intraparietal, mirror neurons, motor repertoire, premotor cortex, POSITRON EMISSION TOMOGRAPHY, GRASP REPRESENTATIONS, MAGNETIC STIMULATION, CORTICAL MECHANISMS, FUNCTIONAL-ANATOMY, BIOLOGICAL MOTION, PREFRONTAL CORTEX, PREMOTOR CORTEX, HAND ACTIONS, HUMAN BRAIN
UCL classification:UCL > School of Life and Medical Sciences > Faculty of Brain Sciences > Psychology and Language Sciences (Division of) > Institute of Cognitive Neuroscience
UCL > School of Life and Medical Sciences > Faculty of Life Sciences

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