Abstract:
:The James-Lange theory of emotion proposes that automatically generated bodily reactions not only color subjective emotional experience of stimuli, but also necessitate a mechanism by which these bodily reactions are differentially generated to reflect stimulus quality. To examine this putative mechanism, we simultaneously measured brain activity and heart rate to identify regions where neural activity predicted the magnitude of heart rate responses to emotional facial expressions. Using a forewarned reaction time task, we showed that orienting heart rate acceleration to emotional face stimuli was modulated as a function of the emotion depicted. The magnitude of evoked heart rate increase, both across the stimulus set and within each emotion category, was predicted by level of activity within a matrix of interconnected brain regions, including amygdala, insula, anterior cingulate, and brainstem. We suggest that these regions provide a substrate for translating visual perception of emotional facial expression into differential cardiac responses and thereby represent an interface for selective generation of visceral reactions that contribute to the embodied component of emotional reaction.
journal_name
Neuroimagejournal_title
NeuroImageauthors
Critchley HD,Rotshtein P,Nagai Y,O'Doherty J,Mathias CJ,Dolan RJdoi
10.1016/j.neuroimage.2004.10.013keywords:
subject
Has Abstractpub_date
2005-02-01 00:00:00pages
751-62issue
3eissn
1053-8119issn
1095-9572pii
S1053-8119(04)00615-9journal_volume
24pub_type
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