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タイトル: | How Two Brains Make One Synchronized Mind in the Inferior Frontal Cortex: fNIRS-Based Hyperscanning During Cooperative Singing. |
著者: | Osaka, Naoyuki Minamoto, Takehiro Yaoi, Ken Azuma, Miyuki Minamoto Shimada, Yohko Osaka, Mariko |
著者名の別形: | 苧阪, 直行 |
キーワード: | hyperscanning fNIRS cooperation singing humming inferior frontal cortex |
発行日: | 26-Nov-2015 |
出版者: | Frontiers |
誌名: | Frontiers in psychology |
巻: | 6 |
論文番号: | 1811 |
抄録: | One form of communication that is common in all cultures is people singing together. Singing together reflects an index of cognitive synchronization and cooperation of human brains. Little is known about the neural synchronization mechanism, however. Here, we examined how two brains make one synchronized behavior using cooperated singing/humming between two people and hyperscanning, a new brain scanning technique. Hyperscanning allowed us to observe dynamic cooperation between interacting participants. We used functional near-infrared spectroscopy (fNIRS) to simultaneously record the brain activity of two people while they cooperatively sang or hummed a song in face-to-face (FtF) or face-to-wall (FtW) conditions. By calculating the inter-brain wavelet transform coherence between two interacting brains, we found a significant increase in the neural synchronization of the left inferior frontal cortex (IFC) for cooperative singing or humming regardless of FtF or FtW compared with singing or humming alone. On the other hand, the right IFC showed an increase in neural synchronization for humming only, possibly due to more dependence on musical processing. |
著作権等: | © 2015 Osaka, Minamoto, Yaoi, Azuma, Minamoto Shimada and Osaka. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms. |
URI: | http://hdl.handle.net/2433/207632 |
DOI(出版社版): | 10.3389/fpsyg.2015.01811 |
PubMed ID: | 26635703 |
出現コレクション: | 学術雑誌掲載論文等 |
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