Study of Human Interactive Behavior Using a NIRS-Based Hyperscanning Technique
Abstract: Objective: A hyperscanning technique based on near infrared spectroscopy (NIRS) is used to study inter-brain activity in two persons while they play social interactive tasks. Methods: The activities of human interactivity are simulated by a group of cooperation and competition tasks. 15 pairs of heath students were recruited. The left and right prefrontal cerebral hemoglobin signals of a pair of subjects were simultaneously recorded during the experiment using two portable dual-channel near infrared recorders. A phase synchronized index method based on synchrosqueezed wavelet transform was presented and applied to calculate the synchronized indices of the low-frequency component of the cerebral hemoglobin signal pairs. Results: The phase synchronized index of the left hemoglobin signal pair in cooperation task was higher than in competition one. Both indices showed a significant difference (P < 0.05). In contrast, there was no significant difference in the right side. Conclusion: NIRS measurement is noninvasive and portable, and could be carried out in a naturalistic environment. The NIRS based hyperscanning technique can provide a new approach for the study of social cognitive behavior.
文章引用: 覃 龙 , 王严锋 , 闫相国 (2015) 利用基于近红外光谱的超扫描技术研究人类交互行为。 国际神经精神科学杂志， 4， 19-27. doi: 10.12677/IJPN.2015.44004
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