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<p>Interoception, the ability to perceive internal bodily signals, involves various mental processes. This study investigated moments when individuals experienced a change in their interoceptive state. Interoception affects the subjective feelings of emotions. However, whether changes in interoceptive processing occur when visceral changes are perceived as interoceptive sensations remains unclear. This study examined the psychophysiological markers of perceptual changes in the interoceptive state using heartbeat evoked potentials (HEP). Emotional photos were viewed by participants who were asked whether they experienced changes in their interoceptive state. The results showed that the HEP amplitude increased when participants had subjective awareness of changes in their interoceptive state. Notably, the HEP amplitude did not correlate with individual differences in interoceptive accuracy measured by the heartbeat counting task. When individuals perceive changes in their interoceptive state, this perception is reflected in the HEP amplitude. Multiple aspects of interoception are related to the emotional recognition and conscious attention to changing bodily states.</p>

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Heartbeat evoked potentials reflect interoceptive awareness during an emotional situation

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年3月8日

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  • Yuto Tanaka,
  • Yuichi Ito,
  • Midori Shibata,
  • Yuri Terasawa,
  • Satoshi Umeda

摘要

Interoception, the ability to perceive internal bodily signals, involves various mental processes. This study investigated moments when individuals experienced a change in their interoceptive state. Interoception affects the subjective feelings of emotions. However, whether changes in interoceptive processing occur when visceral changes are perceived as interoceptive sensations remains unclear. This study examined the psychophysiological markers of perceptual changes in the interoceptive state using heartbeat evoked potentials (HEP). Emotional photos were viewed by participants who were asked whether they experienced changes in their interoceptive state. The results showed that the HEP amplitude increased when participants had subjective awareness of changes in their interoceptive state. Notably, the HEP amplitude did not correlate with individual differences in interoceptive accuracy measured by the heartbeat counting task. When individuals perceive changes in their interoceptive state, this perception is reflected in the HEP amplitude. Multiple aspects of interoception are related to the emotional recognition and conscious attention to changing bodily states.