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Delta-Alpha EEG pattern reflects the interoceptive focus effect on interpersonal motor synchronization.

Laura Angioletti1,2, Michela Balconi1,2

  • 1International Research Center for Cognitive Applied Neuroscience (IrcCAN), Università Cattolica del Sacro Cuore, Milan, Italy.

Frontiers in Neuroergonomics
|January 18, 2024
PubMed
Summary

Focusing on breath influences brain activity during interpersonal synchronization. An electroencephalography (EEG) delta-alpha pattern emerged, particularly during motor tasks, suggesting attention to visceral signals impacts synchronized actions.

Keywords:
EEGalphadeltainteroceptive attentivenessmotor synchronization

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Area of Science:

  • Neuroscience
  • Cognitive Science
  • Social Neuroscience

Background:

  • Interoceptive focus, or attention to internal bodily sensations, is increasingly recognized for its role in cognitive and affective processes.
  • However, its impact on the neural underpinnings of high-level social functions, like interpersonal synchronization, remains largely unexplored.

Purpose of the Study:

  • To investigate how focusing on breath (interoceptive focus) modulates electrophysiological patterns (EEG) during cognitive and motor tasks requiring interpersonal synchronization.
  • To identify specific EEG frequency bands and brain regions associated with interoceptive focus during synchronized actions.

Main Methods:

  • Twenty-eight healthy adults performed cognitive and motor synchronization tasks under two conditions: with and without focusing on their breath.
  • Electroencephalography (EEG) was used to record brain activity across frontal, temporo-central, and parieto-occipital regions, analyzing delta, theta, alpha, and beta frequency bands.

Main Results:

  • Significant differences were found in delta and alpha frequency bands.
  • During breath focus and motor synchronization, higher mean delta values and alpha desynchronization were observed in the temporo-central region compared to the cognitive task.
  • This suggests a distinct neural pattern associated with interoceptive attention during motor synchrony.

Conclusions:

  • An electroencephalography (EEG) delta-alpha pattern in temporo-central areas emerges with interoceptive focus, particularly during interpersonal motor synchrony.
  • This pattern indicates that attention to visceral signals influences neural processes involved in coordinating actions with others.
  • The findings highlight the link between interoception and the neural mechanisms of social motor coordination.