Post-response βγ power predicts the degree of choice-based learning in internally guided decision-making

Takashi Nakao, Noriaki Kanayama, Kentaro Katahira, Misaki Odani, Yosuke Ito, Yuki Hirata, Reika Nasuno, Hanako Ozaki, Ryosuke Hiramoto, Makoto Miyatani, Georg Northoff

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Choosing an option increases a person's preference for that option. This phenomenon, called choice-based learning (CBL), has been investigated separately in the contexts of internally guided decision-making (IDM, e.g., preference judgment), for which no objectively correct answer exists, and externally guided decision making (EDM, e.g., perceptual decision making), for which one objectively correct answer exists. For the present study, we compared decision making of these two types to examine differences of underlying neural processes of CBL. As IDM and EDM tasks, occupation preference judgment and salary judgment were used, respectively. To compare CBL for the two types of decision making, we developed a novel measurement of CBL: decision consistency. When CBL occurs, decision consistency is higher in the last-half trials than in first-half trials. Electroencephalography (EEG) data have demonstrated that the change of decision consistency is positively correlated with the fronto-central beta-gamma power after response in the first-half trials for IDM, but not for EDM. Those results demonstrate for the first time the difference of CBL between IDM and EDM. The fronto-central beta-gamma power is expected to reflect a key process of CBL, specifically for IDM.

Original languageEnglish
Article number32477
JournalScientific Reports
Volume6
DOIs
Publication statusPublished - Aug 31 2016
Externally publishedYes

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Decision Making
Learning
Power (Psychology)
Salaries and Fringe Benefits
Occupations
Electroencephalography

ASJC Scopus subject areas

  • General

Cite this

Post-response βγ power predicts the degree of choice-based learning in internally guided decision-making. / Nakao, Takashi; Kanayama, Noriaki; Katahira, Kentaro; Odani, Misaki; Ito, Yosuke; Hirata, Yuki; Nasuno, Reika; Ozaki, Hanako; Hiramoto, Ryosuke; Miyatani, Makoto; Northoff, Georg.

In: Scientific Reports, Vol. 6, 32477, 31.08.2016.

Research output: Contribution to journalArticle

Nakao, T, Kanayama, N, Katahira, K, Odani, M, Ito, Y, Hirata, Y, Nasuno, R, Ozaki, H, Hiramoto, R, Miyatani, M & Northoff, G 2016, 'Post-response βγ power predicts the degree of choice-based learning in internally guided decision-making', Scientific Reports, vol. 6, 32477. https://doi.org/10.1038/srep32477
Nakao, Takashi ; Kanayama, Noriaki ; Katahira, Kentaro ; Odani, Misaki ; Ito, Yosuke ; Hirata, Yuki ; Nasuno, Reika ; Ozaki, Hanako ; Hiramoto, Ryosuke ; Miyatani, Makoto ; Northoff, Georg. / Post-response βγ power predicts the degree of choice-based learning in internally guided decision-making. In: Scientific Reports. 2016 ; Vol. 6.
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