The impact of experience on affective responses during action observation

Kirsch, L. P., Snagg, A., Heerey, E. and Cross, E. S. (2016) The impact of experience on affective responses during action observation. PLoS ONE, 11(5), e0154681. (doi: 10.1371/journal.pone.0154681) (PMID:27149106) (PMCID:PMC4858140)

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Perceiving others in action elicits affective and aesthetic responses in observers. The present study investigates the extent to which these responses relate to an observer’s general experience with observed movements. Facial electromyographic (EMG) responses were recorded in experienced dancers and non-dancers as they watched short videos of movements performed by professional ballet dancers. Responses were recorded from the corrugator supercilii (CS) and zygomaticus major (ZM) muscles, both of which show engagement during the observation of affect-evoking stimuli. In the first part of the experiment, participants passively watched the videos while EMG data were recorded. In the second part, they explicitly rated how much they liked each movement. Results revealed a relationship between explicit affective judgments of the movements and facial muscle activation only among those participants who were experienced with the movements. Specifically, CS activity was higher for disliked movements and ZM activity was higher for liked movements among dancers but not among non-dancers. The relationship between explicit liking ratings and EMG data in experienced observers suggests that facial muscles subtly echo affective judgments even when viewing actions that are not intentionally emotional in nature, thus underscoring the potential of EMG as a method to examine subtle shifts in implicit affective responses during action observation.

Item Type:Articles
Glasgow Author(s) Enlighten ID:Cross, Professor Emily
Authors: Kirsch, L. P., Snagg, A., Heerey, E., and Cross, E. S.
College/School:College of Medical Veterinary and Life Sciences > Institute of Neuroscience and Psychology
Journal Name:PLoS ONE
Publisher:Public Library of Science
ISSN (Online):1932-6203
Copyright Holders:Copyright © 2016 Kirsch et al.
First Published:First published in PLoS ONE 11(5):e0154681
Publisher Policy:Reproduced under a Creative Commons License

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