Association between interoception and empathy: Evidence from heartbeat-evoked brain potential

Hirokata Fukushima, Yuri Terasawa, Satoshi Umeda

Research output: Contribution to journalArticlepeer-review

94 Citations (Scopus)

Abstract

Physiological bodily states play an important role in affective experiences. This study investigated whether the neural processing of internal body state (interoception) is associated with empathy, the understanding of the affective states of others. We used the 'heartbeat-evoked potential' (HEP), a surface electroencephalography (EEG) pattern, as a neural index of interoceptive processing. The HEP is contingent on the most prominent peak (R-wave) of the electrocardiogram (ECG) and is thought to reflect cortical processing of cardiac afferent input. Twenty-one healthy adults performed empathy and control tasks while EEG and ECG were recorded, where they made judgments based on either the affective or physical aspects of images of human eyes. HEP, ECG and heart rate in each task block were calculated and compared. Results showed that cardiac activity was not significantly different between tasks. In contrast, HEP showed a significant task difference, exhibited as an increased negativity during the empathy task over frontocentral sites at a latency of approximately 250-430. ms. Furthermore, a self-reported measure of empathy was associated with mean HEP amplitude during the period of task-related differentiation. These results suggest that afferent feedback from visceral activity may contribute to inferences about the affective state of others.

Original languageEnglish
Pages (from-to)259-265
Number of pages7
JournalInternational Journal of Psychophysiology
Volume79
Issue number2
DOIs
Publication statusPublished - 2011 Feb 1

Keywords

  • Electrocardiography (ECG)
  • Empathy
  • Heartbeat-evoked potential (HEP)
  • Interoception
  • Social neuroscience

ASJC Scopus subject areas

  • Neuroscience(all)
  • Neuropsychology and Physiological Psychology
  • Physiology (medical)

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