Abstract
The brain dynamics of social behavior are important for understanding the group intelligence that occurs in humans. Coordinated behavior between two subjects has been used as an experimental model of social behavior, but the creativity occurring in a group of multiple persons has not yet been discussed. In this study, a rhythmic communication task was proposed as a model of social communication, and simultaneous electroencephalogram (EEG) of three subjects were evaluated. Results showed that the decrease of theta-band power in the EEG was correlated with the rhythm delay in the ensemble pattern, and the decreases of upper and lower alpha-band power were associated with the rhythm tempo and the rareness of ensemble pattern. This suggests that the theta- and alpha-band powers in the EEG associate with social communication and cross-frequency EEG dynamics is essential for understanding the creativity in the social behavior.
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Sato, N., Sato, T., Okazaki, T., Takami, M. (2013). Electroencephalogram Dynamics during Social Communication among Multiple Persons. In: Lee, M., Hirose, A., Hou, ZG., Kil, R.M. (eds) Neural Information Processing. ICONIP 2013. Lecture Notes in Computer Science, vol 8226. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-42054-2_19
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DOI: https://doi.org/10.1007/978-3-642-42054-2_19
Publisher Name: Springer, Berlin, Heidelberg
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