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Changes in Sympathetic Tone During Cooperative Game Play
We investigated the relationship between stress (specifically, sympathetic tone) and effective and efficient cooperation between partners using a cooperative version of a Tetris game as a model of limited resources in a shared environment. Participants were recruited from 2 distinct
sociocultural orientations: individualism (Americans) and collectivism (Japanese). We compared the frequency domain of heart rate variability (HRV) and average scores on the short form of the Positive and Negative Affect Scale (I-PANAS-SF) for individuals and dyad partners. Japanese players
cooperated more effectively and their scores on the positive subscale of the I-PANAS-SF for both self and partner were higher than those of American players. However, Japanese participants experienced more stress, as indicated by an increased low-to-high HRV frequency ratio. Our results suggest
that sociocultural orientation affects the motivation to promote prosocial interactions that result in efficiency and effectiveness of cooperation.
Keywords: COLLECTIVISM; HEART RATE VARIABILITY; INDIVIDUALISM; NEGATIVE AFFECT; POSITIVE AFFECT; STRESS; SYMPATHETIC TONE; TETRIS; VIDEO GAME
Document Type: Research Article
Publication date: 01 August 2015
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