Previous investigations have shown that the perception of socially relevant facial expressions, indicating someone else's intention to communicate (e.g., smiling), correlate with increased activity in zygomaticus major muscle regardless of whether the facial expressions seen are directed towards the human observer or toward someone else (Mojzisch et al., 2006). These spontaneous, involuntary reactions have been described as facial mimicry and seem to be of considerable importance for successful interpersonal communication. We investigated whether specific neural substrates underlie these responses by performing a finite impulse response (FIR) analysis of an experiment using functional magnetic resonance imaging (fMRI) to investigate the perception of socially relevant facial expressions (Schilbach et al., 2006). This analysis demonstrates that differential neural activity can be detected relative to the FIR time window in which facial mimicry occurs. The neural network found includes but extends beyond classical motor regions (face motor area) recruiting brain regions known to be involved in social cognition. This network is proposed to subserve the integration of emotional and action-related processes as part of a pre-reflective, embodied reaction to the perception of socially relevant facial expressions as well as a reflective representation of self and other.*
Credit:* http://cat.inist.fr/?aModele=afficheN&cpsidt=20201419
SCHILBACH Leonhard (1 2) ; EICKHOFF Simon B. (2) ; MOJZISCH Andreas (3) ; VOGELEY Kai (1 2) ;
Affiliation(s) du ou des auteurs / Author(s) Affiliation(s)(1) University of Cologne, Cologne, ALLEMAGNE(2)
Research Center Juelich, Juelich, ALLEMAGNE
In layman's terms...
A smile is a curve that sets everything straight. ~Phyllis Diller
Wrinkles should merely indicate where smiles have been. ~Mark Twain
If you smile at someone, they might smile back. ~Author Unknown
Everyone smiles in the same language. ~Author Unknown
Smiling is infectious,You can catch it like the flu. Someone smiled at me today, And I started smiling too.~Author Unknown
Everytime you smile at someone, it is an action of love, a gift to that person, a beautiful thing. ~Mother Teresa
A smile costs nothing but gives much. It enriches those who receive without making poorer those who give. It takes but a moment, but the memory of it sometimes lasts forever. None is so rich or mighty that he cannot get along without it and none is so poor that he cannot be made rich by it. Yet a smile cannot be bought, begged, borrowed, or stolen, for it is something that is of no value to anyone until it is given away. Some people are too tired to give you a smile. Give them one of yours, as none needs a smile so much as he who has no more to give. ~Author Unknown
Effect?
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