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  • Title: Acting together in and beyond the mirror neuron system.
    Author: Kokal I, Gazzola V, Keysers C.
    Journal: Neuroimage; 2009 Oct 01; 47(4):2046-56. PubMed ID: 19524043.
    Abstract:
    Moving a set dinner table often takes two people, and doing so without spilling the glasses requires the close coordination of the two agents' actions. It has been argued that the mirror neuron system may be the key neural locus of such coordination. Instead, here we show that such coordination recruits two separable sets of areas: one that could translate between motor and visual codes and one that could integrate these information to achieve common goals. The former includes regions of the putative mirror neuron system, the latter, regions of the prefrontal, posterior parietal and temporal lobe adjacent to the putative mirror neuron system. Both networks were more active while participants cooperated with a human agent, responding to their actions, compared to a computer that did not, evidencing their social dimension. This finding shows that although the putative mirror neuron system can play a critical role in joint actions by translating both agents' actions into a common code, the flexible remapping of our own actions with those of others required during joint actions seems to be performed outside of the putative mirror neuron system.
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