corticospinal-excitability-modulation-during-action-observation

Corticospinal Excitability Modulation During Action Observation

This study used the transcranial magnetic stimulation/motor evoked potential (TMS/MEP) technique to pinpoint when the automatic tendency to mirror someone ...

Universita degli Studi di Padova

It is well known that perceiving another person's body movements activates corresponding motor representations in an observer's brain, a process which appears to be imitative in nature. However, it is also true that simply imitating another person's action/s in many situations is not an effective or appropriate response, as successful interaction often requires complementary rather than emulative behavior. This manuscript presents a review of the recent efforts to identify the mechanisms responsible--once observed actions have been mapped onto an observer's motor system--for the switch from the tendency to imitate actions to the inclination to carry out a nonidentical context-appropriate response. The putative human mirror neuron system seems to play a particularly important role in this process because of its prominent function in action observation and execution. Recent findings indicate, however, that acting in a complementary fashion might entail the recruitment of neural systems outside of the human mirror neuron system.

Sonia Betti

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