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Brain-Heart Interaction in Multi-type Saccade Tasks.

Jianli Yang1,2,3, Yanzhe Zhao1, Runqi Liu1

  • 1College of Electronic and Information Engineering, Hebei University, 071002 Baoding, Hebei, China.

Journal of Integrative Neuroscience
|August 6, 2025
PubMed
Summary
This summary is machine-generated.

This study reveals bidirectional brain-heart communication during reflexive and voluntary saccade tasks. Brain-heart interplay varied significantly across tasks, especially in prefrontal and parietal regions, due to cognitive load.

Keywords:
brain-heart interplaycognitionelectroencephalographinter heartbeat intervalinterplay mechanismsaccade

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Area of Science:

  • Neuroscience
  • Cardiology
  • Psychophysiology

Background:

  • Existing anatomical studies confirm brain-heart connections via multiple pathways.
  • The functional interplay between the brain and heart remains poorly understood, particularly across different task states.
  • This research investigates the brain-heart interplay during both reflexive and voluntary saccade tasks.

Purpose of the Study:

  • To explore the functional brain-heart interplay during distinct cognitive tasks, specifically reflexive and voluntary saccades.
  • To elucidate the dynamic mechanisms governing brain-heart interaction under varying task demands.

Main Methods:

  • Utilized the Synthetic Data Generation model to quantitatively assess the brain-heart interplay.
  • Analyzed brain and heart activity during reflexive and voluntary saccade tasks.

Main Results:

  • Identified bidirectional interplay patterns between brain and heart across different frequency bands for both saccade tasks.
  • Observed significant variations in interplay coupling across saccade tasks, notably in the prefrontal and parietal lobes.
  • Attributed these variations to the complexity and cognitive load associated with the saccade tasks.

Conclusions:

  • The study illuminates dynamic, bidirectional mechanisms of brain-heart interplay.
  • Contributes to a deeper understanding of brain-heart interaction and its modulation by cognitive tasks.