• Neuroscience · Dec 2023

    Intimate relationships weaken female competition: Evidence from phase-amplitude coupling and event-related potentials.

    • Shuyu Jia, Yujia Meng, Qian Wang, Lihong Ao, Yuan Gao, Lei Yang, He Wang, and Yingjie Liu.
    • Yingjie Liu, School of Public Health, School of Psychology and Mental Health, North China University of Science and Technology, Hebei, China.
    • Neuroscience. 2023 Dec 1; 534: 415341-53.

    AbstractCompetition, an essential component of social interaction, frequently occurs in daily life, and the impact of intimate relationships on women's competition has not yet been revealed. In this study, the visual target paradigm was used to explore the neural mechanisms underlying the regulation of female competitiveness by intimate relationships using event-related potential (ERP) data, time-frequency analysis, and brain functional connectivity. The research results indicate that, the P1, the N4, and the LPP were sensitive to the impact of intimate relationships on competition. Compared to competition between unfamiliar opposite-gender dyads, the average amplitudes of the N4 and LPP were higher in the late stage of competition between romantic partners. Compared to competition with strangers of the opposite gender, alpha band power was significantly higher when female individuals competed with their romantic partners. In addition, there was a positive correlation between the synchronization of activity in the frontal, parietal, and right temporal lobes of a female's brain and their degree of female engagement in competition. When a female individuals focused on the competition, activity synchronization was higher. The results indicate that competition with unfamiliar individuals of the opposite gender can make female focus on the competitive task, causing synchronous activation of corresponding brain regions. When competing with a romantic partner, women's focus decreases, their willingness to compete decreases, and the synchrony of brain functional connectivity decreases. This study suggests that intimate relationship weakens women's competitiveness, which is of significant importance for understanding high-quality intimate relationship and promoting the development of healthy competition.Copyright © 2023 IBRO. Published by Elsevier Ltd. All rights reserved.

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