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Schuch, Stefanie, Bayliss, Andrew P. 
ORCID: https://orcid.org/0000-0003-4810-7758, Klein, Christoph and Tipper, Steven P.
(2010)
Attention modulates motor system activation during action observation: evidence for inhibitory rebound.
Experimental Brain Research, 205 (2).
pp. 235-249.
ISSN 1432-1106
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Abstract
Perceiving another individual's actions activates the human motor system. We investigated whether this effect is stronger when the observed action is relevant to the observer's task. The mu rhythm (oscillatory activity in the 8- to 13-Hz band over sensorimotor cortex) was measured while participants watched videos of grasping movements. In one of two conditions, the participants had to later report how many times they had seen a certain kind of grasp. In the other condition, they viewed the identical videos but had to later report how many times they had seen a certain colour change. The colour change and the grasp always occurred simultaneously. Results show mu rhythm attenuation when watching the videos relative to baseline. This attenuation was stronger when participants later reported the grasp rather than the colour, suggesting that the motor system is more strongly activated when the observed grasping actions were relevant to the observer's task. Moreover, when the graspable object disappeared after the offset of the video, there was subsequent mu rhythm enhancement, reflecting a post-stimulus inhibitory rebound. This enhancement was again stronger when making judgments about the grasp than the colour, suggesting that the stronger activation is followed by a stronger inhibitory rebound.
| Item Type: | Article |
|---|---|
| Faculty \ School: | Faculty of Social Sciences > School of Psychology |
| UEA Research Groups: | Faculty of Social Sciences > Research Centres > Centre for Behavioural and Experimental Social Sciences Faculty of Social Sciences > Research Groups > Social Cognition Research Group Faculty of Social Sciences > Research Groups > Cognition, Action and Perception |
| Related URLs: | |
| Depositing User: | Pure Connector |
| Date Deposited: | 22 Oct 2015 14:01 |
| Last Modified: | 22 Apr 2023 00:10 |
| URI: | https://ueaeprints.uea.ac.uk/id/eprint/54767 |
| DOI: | 10.1007/s00221-010-2358-4 |
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