Document Detail

The power of a handshake: neural correlates of evaluative judgments in observed social interactions.
MedLine Citation:
PMID:  23016826     Owner:  NLM     Status:  MEDLINE    
Effective social interactions require the ability to evaluate other people's actions and intentions, sometimes only on the basis of such subtle factors as body language, and these evaluative judgments may lead to powerful impressions. However, little is known about the impact of affective body language on evaluative responses in social settings and the associated neural correlates. This study investigated the neural correlates of observing social interactions in a business setting, in which whole-body dynamic stimuli displayed approach and avoidance behaviors that were preceded or not by a handshake and were followed by participants' ratings of these behaviors. First, approach was associated with more positive evaluations than avoidance behaviors, and a handshake preceding social interaction enhanced the positive impact of approach and diminished the negative impact of avoidance behavior on the evaluation of social interaction. Second, increased sensitivity to approach than to avoidance behavior in the amygdala and STS was linked to a positive evaluation of approach behavior and a positive impact of handshake. Third, linked to the positive effect of handshake on social evaluation, nucleus accumbens showed greater activity for Handshake than for No-handshake conditions. These findings shed light on the neural correlates of observing and evaluating nonverbal social interactions and on the role of handshake as a way of formal greeting.
Sanda Dolcos; Keen Sung; Jennifer J Argo; Sophie Flor-Henry; Florin Dolcos
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2012-09-27
Journal Detail:
Title:  Journal of cognitive neuroscience     Volume:  24     ISSN:  1530-8898     ISO Abbreviation:  J Cogn Neurosci     Publication Date:  2012 Dec 
Date Detail:
Created Date:  2012-10-31     Completed Date:  2013-04-11     Revised Date:  2014-03-25    
Medline Journal Info:
Nlm Unique ID:  8910747     Medline TA:  J Cogn Neurosci     Country:  United States    
Other Details:
Languages:  eng     Pagination:  2292-305     Citation Subset:  IM    
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MeSH Terms
Arousal / physiology
Cerebral Cortex / physiology
Emotions / physiology
Galvanic Skin Response / physiology
Image Processing, Computer-Assisted
Interpersonal Relations*
Judgment / physiology*
Magnetic Resonance Imaging
Neural Pathways / physiology
Nucleus Accumbens / physiology
Prefrontal Cortex / physiology
Visual Perception / physiology
Young Adult

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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