The neural basis of dishonest decisions that serve to harm or help the target

Nobuhito Abe, Toshikatsu Fujii, Ayahito Ito, Aya Ueno, Yuta Koseki, Ryusaku Hashimoto, Akiko Hayashi, Shunji Mugikura, Shoki Takahashi, Etsuro Mori

研究成果: Article査読

23 被引用数 (Scopus)

抄録

We conducted a functional magnetic resonance imaging (fMRI) study to elucidate the neurocognitive mechanisms of harmful and helpful dishonest decisions. During scanning, the subjects read scenarios concerning events that could occur in real-life situations and were asked to decide whether to tell a lie as though they were experiencing those events. Half of the scenarios consisted of harmful stories in which the dishonest decisions could be regarded as bad lies, and the other half consisted of helpful stories in which the dishonest decisions could be regarded as good lies. In contrast to the control decision-making task, we found that the decision-making tasks that involved honesty or dishonesty recruited a network of brain regions that included the left dorsolateral prefrontal cortex. In the harmful stories, the right temporoparietal junction and the right medial frontal cortex were activated when the subjects made dishonest decisions compared with honest decisions. No region discriminated between the honest and dishonest decisions made in the helpful stories. These preliminary findings suggest that the neural basis of dishonest decisions is modulated by whether the lying serves to harm or help the target.

本文言語English
ページ(範囲)41-49
ページ数9
ジャーナルBrain and Cognition
90
DOI
出版ステータスPublished - 2014 10月

ASJC Scopus subject areas

  • 神経心理学および生理心理学
  • 実験心理学および認知心理学
  • 発達心理学および教育心理学
  • 人文科学(その他)
  • 認知神経科学

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