• Thierry Chaminade, Mitsuo Kawato, and Chris Frith.
• Institut de Neurosciences Cognitives de la Méditerranée, CNRS, Université de la Méditerranée, Marseille, France. tchamina@gmail.com
• Neuroreport. 2011 Nov 16;22(16):814-8.

AbstractFunctional MRI signal was recorded while participants perceived stimuli presented using moving dots. In two conditions of interest, the motion of dots depicted intentions: dots representing the joints of an agent performing an action, and dots representing individual agents behaving contingently. The finding of a common cluster in the posterior part of the medial frontal cortex involved in intentional action representation validates the hypothesis that perception of these two conditions requires a similar internal representation. A cluster responding to the behaving group only is found in the anterior medial frontal cortex. These results support a division of the medial frontal cortex according to social stimuli attributes, with anterior areas responding to higher-order group behaviours integrating the action of multiple individual agents.© 2011 Wolters Kluwer Health | Lippincott Williams & Wilkins.

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