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タイトル: The right temporoparietal junction during a cooperation dilemma: An rTMS study
著者: Tei, Shisei
Fujino, Junya
Itahashi, Takashi
Aoki, Yuta Y.
Ohta, Haruhisa
Kubota, Manabu  kyouindb  KAKEN_id  orcid https://orcid.org/0000-0001-9507-1845 (unconfirmed)
Sawajiri, Shuji
Hashimoto, Ryu-ichiro
Takahashi, Hidehiko
Kato, Nobumasa
Nakamura, Motoaki
著者名の別形: 鄭, 志誠
藤野, 純也
久保田, 学
高橋, 英彦
キーワード: Cooperation
Decision-making
Repetitive transcranial magnetic stimulation
Temporoparietal junction
発行日: Sep-2021
出版者: Elsevier BV
誌名: Neuroimage: Reports
巻: 1
号: 3
論文番号: 100033
抄録: Cooperation enhances interpersonal communication and nurtures society. However, efforts to socially cooperate may often evoke conflict. Individuals may selfishly pursue a greater reward or success by exploiting the efforts of other individuals or taking unnecessary risk to oneself. Such a cooperation dilemma is highly prevalent in real life; thus, it has been studied in various disciplines. Although published functional magnetic resonance imaging studies have shown the involvement of the right temporoparietal junction (TPJ) in resolving a dilemma through cooperation, a causal relationship between the two has rarely been explored. Hence, we investigated this issue by combining repetitive transcranial magnetic stimulation with a priority game task (modified snowdrift game). In this game task, participants and opponent players jointly faced a problem whereby their collaboration was anticipated to defuse the situation. This conflicted with a choice in the participant's self-interest that was more rewarding but risky. We further included conditions with and without explicit social cues using figures describing elderly/pregnant passengers in the game opponent's car, and measured participants' prosocial traits to examine any cue-induced effect as well as the personality-cooperation relationship, respectively. The cooperation ratio was not statistically different in both the no-cue and with-cue conditions between the sham stimulation and inhibitory continuous theta burst stimulation (cTBS). However, after cTBS, in the no-cue condition, the strength of the association between cooperation ratio and empathy traits decreased significantly. These results add to our knowledge about the right TPJ's role in social cognition, which may be extraordinarily complex. This topic is deserving of further examination.
著作権等: © 2021 The Authors. Published by Elsevier Inc.
This is an open access article under the CC BY-NC-ND license.
URI: http://hdl.handle.net/2433/277454
DOI(出版社版): 10.1016/j.ynirp.2021.100033
出現コレクション:学術雑誌掲載論文等

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