• Michela Balconi, Adriana Bortolotti, and Ludovica Gonzaga.
• Laboratory of Cognitive Psychology and Neuroscience, Department of Psychology, Catholic University of Milan, Largo Gemelli, 1, 20123 Milan, Italy. michela.balconi@unicatt.it
• Neurosci. Res. 2011 Nov 1;71(3):251-9.

AbstractOne important aspect of empathy is a "resonance mechanism", which includes emotional cue detection, facial mimicry (measured by electromyography, EMG) and a specific cortical response. This study explored the convergence of these three measures of affective empathy. The twenty students who took part in the study were required to empathise with the situation by entering into the other person's situation. The four emotions portrayed were anger, fear, happiness, and neutral, and the subjects were instructed to make a two-alternative response (emotion or no emotion) to each emotion. A repeated transcranial magnetic stimulation was used to produce a temporary inhibition of the medial prefrontal cortex (MPFC). The results support the hypothesis that there is a direct relationship between emotional cue recognition, EMG-measured facial response and prefrontal activity. First, both facial expression detection and autonomic mimicry in reaction to emotional faces were systematically modulated in response to inhibition of the MPFC. Second, the MPFC was implicated in facial cue detection and the subsequent autonomic response because an impaired performance on both measures was observed when this brain area was inhibited. Third, this effect increased when negative-valenced stimuli (angry and fearful faces) were presented to the subjects. These results revealed a significant effect of the MPFC on both cue detection and facial mimicry that was distinctly related to different types of emotions.Copyright © 2011 Elsevier Ireland Ltd and the Japan Neuroscience Society. All rights reserved.

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