期刊
出版社
NATL ACAD SCIENCES
DOI: 10.1073/pnas.2119599119
关键词
emotion; heart-rate variability; EEG; brain-heart interplay; causal theory
资金
- European Commission - Horizon 2020 Program [813234]
- Italian Ministry of Education and Research
- European Research Council under the European Community's 7th Framework programme (FP7/2007-2013)/ERC starting Grant [203143]
- European Research Council (ERC) [203143] Funding Source: European Research Council (ERC)
The century-long debate on bodily states and emotions continues, with this study investigating the brain-heart interplay during emotional experiences. Using a computational model, the researchers found that sympathetic-vagal activity plays a leading and causal role in initiating the emotional response, and the subsequent dynamic interplay between the central and autonomic nervous systems sustains the processing of emotional arousal.
A century-long debate on bodily states and emotions persists. While the involvement of bodily activity in emotion physiology is widely recognized, the specificity and causal role of such activity related to brain dynamics has not yet been demonstrated. We hypothesize that the peripheral neural control on cardiovascular activity prompts and sustains brain dynamics during an emotional experience, so these afferent inputs are processed by the brain by triggering a concurrent efferent information transfer to the body. To this end, we investigated the functional brain-heart interplay under emotion elicitation in publicly available data from 62 healthy subjects using a computational model based on synthetic data generation of electroencephalography and electrocardiography signals. Our findings show that sympathovagal activity plays a leading and causal role in initiating the emotional response, in which ascending modulations from vagal activity precede neural dynamics and correlate to the reported level of arousal. The subsequent dynamic interplay observed between the central and autonomic nervous systems sustains the processing of emotional arousal. These findings should be particularly revealing for the psychophysiology and neuroscience of emotions.
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