Neural correlates of emotional contagion induced by happy and sad expressions.

Facial expressions play a significant role in displaying feelings. A person ’s facial expression automatically induces a similar emotional feeling in an observer; this phenomenon is known as emotional contagion. However, little is known about the neural mechanisms underlying such emotional responses. We conducted an event-related functional magnetic resonance imaging (fMR I) study to examine the neural substrates involved in automatic responses and emotional feelings induced by movies of another person’s happy and sad facial expressions. The fMRI data revealed observing happiness (vs. sadness) evoked activity in the left anterior cingulate gyrus, which is known to be responsible for positive emotional processing and fear inhibition. Conversely, observing sadness (vs. happiness) increased activity in the right superior temporal sulcus and bilateral inferior parietal lobes, which have been reported to be involved in negative emotional processing and the represe ntation of facial movements. In addition, both expressions evoked activity in the right inferior frontal gyrus. These patterns of activity suggest that the observation of dynamic facial expressions automatically elicited dissociable and partially overlapping responses for happy and sad emotions. (Ps ycINFO Database Record (c) 2016 APA, all rights reserved)
Source: Journal of Psychophysiology - Category: Psychiatry & Psychology Authors: Source Type: research