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Different strategies, distinguished cooperation efficiency, and brain synchronization for couples: An fNIRS‐based hyperscanning study
Author(s) -
Tang Yun,
Liu Xin,
Wang Chenbo,
Cao Miao,
Deng Shining,
Du Xiujuan,
Dai Yuan,
Geng Shujie,
Fan Yun,
Cui Lijuan,
Li Fei
Publication year - 2020
Publication title -
brain and behavior
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.915
H-Index - 41
ISSN - 2162-3279
DOI - 10.1002/brb3.1768
Subject(s) - psychology , dyad , synchronization (alternating current) , task (project management) , interpersonal communication , cognitive psychology , neuroscience , developmental psychology , social psychology , computer science , computer network , channel (broadcasting) , management , economics
Individuals may employ different strategies when cooperating with others. For example, when two participants are asked to press buttons simultaneously, they may press the buttons as quickly as possible (immediate response strategy) or press them in a delayed pattern (delayed response strategy). Despite recognition of interpersonal brain synchronization (IBS) as a fundamental neural mechanism of cooperation, it remains unclear how various strategies influence cooperative behavior and its neural activities. Methods To address this issue, 43 married couples were recruited to complete a button‐press cooperative task, during which IBS was recorded by functional near‐infrared spectroscopy hyperscanning. Results Behavioral results showed that couples who adopted a delayed response strategy performed better than those who adopted an immediate response strategy and those without any obvious strategy, and a new measure (cooperation coefficient) was used to index the level of cooperation. In addition, stronger IBS in the right frontal cortex was observed in the delayed response condition. The greater couples’ perceived parenting stress, the more likely they were to perform well in tasks and the stronger their brain synchronization, since they tended to choose the delayed response strategy. Conclusion The delayed response strategy may better unify dyad partners’ response modes, trigger synchronized psychological processes, and enable their brains to become synchronized. The study extends understanding of cooperation by comparing the contributions of different strategies underlying cooperative behavior with corresponding neural evidence.

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