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Romantic relationships attenuated competition between lovers: evidence from brain synchronization
Shuyu Jia1, Yujia Meng1, Yuan Gao1
1School of Psychology and Mental Health, North China University of Science and Technology, 21 Bohai avenue, Caofeidian district, Tangshan, Hebei province, China.
Cerebral Cortex (New York, N.Y. : 1991)
|February 1, 2024
Summary
Romantic relationships alter competition dynamics, showing reduced win rates and distinct brain synchronization patterns. Interbrain synchrony correlates with female success, highlighting the link between relationships and competitive behavior.
Area of Science:
- Neuroscience
- Social Psychology
- Relationship Science
Background:
- Competition is a key aspect of social interaction, influenced by interpersonal dynamics.
- Social exchange theory provides a framework for understanding relationship interactions.
- Interbrain synchronization, measured via electroencephalogram (EEG) hyperscanning, offers insights into neural coordination during social tasks.
Purpose of the Study:
- To investigate the impact of romantic relationships on competitive behavior.
- To explore the relationship between interbrain synchronization and competition within romantic dyads.
- To examine how different relationship types (romantic, friend, stranger) influence neural synchrony during competition.
Main Methods:
- Utilized electroencephalogram (EEG) hyperscanning technology to record brain activity from pairs of individuals during a competitive task.
- Analyzed interbrain synchronicity in Alpha and Theta frequency bands at different temporal stages of the competition.
- Correlated neural synchrony measures with competitive outcomes, specifically win rates, and examined differences across relationship groups.
Main Results:
- Females exhibited higher win rates in romantic and friend groups compared to stranger groups.
- Stranger groups showed greater Alpha band interbrain synchrony in the early competition stage (0-200 ms).
- Romantic groups displayed higher Alpha band synchrony in a later stage (600-800 ms), while Theta band synchrony was significant in stranger and friend groups at specific intervals (400-600 ms, 800-1000 ms).
- Interbrain synchrony in the Theta band positively correlated with female winning rates.
- Romantic relationships were associated with reduced competitive drive, impacting attention, emotion, and goal orientation.
Conclusions:
- Interpersonal coordination is closely linked to interbrain synchronization.
- Romantic relationships modulate competitive behavior through effects on cognitive and emotional processes.
- Findings provide a neuroscientific basis for understanding relationship influences on social competition and inform strategies for healthy relationship development.
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