Interactions between emotion and action in the brain

Lima Portugal, LC and Alves, RDCS and Junior, OF and Sanchez, TA and Mocaiber, I and Volchan, E and Smith Erthal, F and David, IA and Kim, J and Oliveira, L and Padmala, S and Chen, G and Pessoa, L and Pereira, MG (2020) Interactions between emotion and action in the brain. In: NeuroImage, 214 .

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Abstract

A growing literature supports the existence of interactions between emotion and action in the brain, and the central participation of the anterior midcingulate cortex (aMCC) in this regard. In the present functional magnetic resonance imaging study, we sought to investigate the role of self-relevance during such interactions by varying the context in which threating pictures were presented (with guns pointed towards or away from the observer). Participants performed a simple visual detection task following exposure to such stimuli. Except for voxelwise tests, we adopted a Bayesian analysis framework which evaluated evidence for the hypotheses of interest, given the data, in a continuous fashion. Behaviorally, our results demonstrated a valence by context interaction such that there was a tendency of speeding up responses to targets after viewing threat pictures directed towards the participant. In the brain, interaction patterns that paralleled those observed behaviorally were observed most notably in the middle temporal gyrus, supplementary motor area, precentral gyrus, and anterior insula. In these regions, activity was overall greater during threat conditions relative to neutral ones, and this effect was enhanced in the directed towards context. A valence by context interaction was observed in the aMCC too, where we also observed a correlation (across participants) of evoked responses and reaction time data. Taken together, our study revealed the context-sensitive engagement of motor-related areas during emotional perception, thus supporting the idea that emotion and action interact in important ways in the brain. © 2020 The Authors

Item Type:	Journal Article
Publication:	NeuroImage
Publisher:	ACADEMIC PRESS INC ELSEVIER SCIENCE
Additional Information:	The copyright of this article belongs to ACADEMIC PRESS INC ELSEVIER SCIENCE
Keywords:	adult; anterior insula; article; Bayes theorem; controlled study; evoked response; female; functional magnetic resonance imaging; human; human experiment; male; middle temporal gyrus; primary motor cortex; reaction time; supplementary motor area; vision
Department/Centre:	Division of Biological Sciences > Centre for Neuroscience
Date Deposited:	10 Jul 2020 06:20
Last Modified:	10 Jul 2020 06:20
URI:	http://eprints.iisc.ac.in/id/eprint/65038

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