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Emotion-movement relationship: A study using functional brain network and cortico-muscular coupling.

Xugang Xi1, Qun Tao1, Jingqi Li2

  • 1School of Automation, Hangzhou Dianzi University, Hangzhou 310018, China; Key Laboratory of Brain Machine Collaborative Intelligence of Zhejiang Province, Hangzhou 310018, China.

Journal of Neuroscience Methods
|August 14, 2021
PubMed
Summary

Movements during happy and sad emotions show stronger cortico-muscular coupling (CMC) and brain activity compared to neutral states. This study reveals objective insights into the emotion-movement connection using physiological signals.

Keywords:
Cortico-muscular couplingElectroencephalogramElectromyogramEmotion-movementFunctional brain network

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Area of Science:

  • Neuroscience
  • Human Physiology
  • Biomedical Engineering

Background:

  • Emotions significantly influence human communication and life.
  • Limited research exists on how emotions affect brain activity and cortico-muscular coupling (CMC) during movement.

Purpose of the Study:

  • To investigate the relationship between emotions, human movement, brain activity, and CMC.
  • To explore information transmission between brain regions during emotional movement.

Main Methods:

  • Utilized electroencephalogram (EEG) and electromyogram (EMG) signals for the first time in this context.
  • Employed frequency domain and nonlinear dynamics analyses on EEG data.
  • Applied transfer entropy to assess CMC and graph theory to analyze functional brain networks.

Main Results:

  • Movements during happy and sad emotions exhibited increased CMC strength, EEG power, and complexity compared to neutral states.
  • Significant differences were observed in functional brain network metrics across the three emotional states.

Conclusions:

  • Emotional states demonstrably influence human movement.
  • This research provides objective insights into the emotion-movement relationship by analyzing physiological electrical signals, offering a novel approach compared to subjective methods.