Effect of emotional arousal on inter-temporal decision-making: an fMRI study

Journal of Physiological Anthropology

Shigeki Watanuki¹  Damee Choi²  Ji-Woo Seok³  Sunju Sohn⁴  Hyo-Eun Kim³  Jin-Hun Sohn³ 

[1] School of Design, Graduate School of Design, Kyushu University, Shiobaru, Minami-ku, Fukuoka 815-8540, Japan;Department of Kansei Science, Kyushu University, Shiobaru, Minami-ku, Fukuoka 815-8540, Japan;Department of Psychology, Brain Research Institute, Chungnam National University, Koong-dong 220, Daejeon 305-764, Yusung-gu, South Korea;Department of Social Welfare, Cheongju University, Cheongju-si 363-764, Chungbuk, South Korea

关键词: fMRI;    Decision-making;    Delay-discounting task;    Impulsivity;    Arousal;    Emotion;   

Others  :  1139859
DOI  :  10.1186/s40101-015-0047-5

 received in 2014-09-25, accepted in 2015-02-04,  发布年份 2015

【 摘 要 】

Background

Previous research has shown that emotion can significantly impact decision-making in humans. The current study examined whether or not and how situationally induced emotion influences people to make inter-temporal choices.

Methods

Affective pictures were used as experiment stimuli to provoke emotion, immediately followed by subjects’ performance of a delay-discounting task to measure impulsivity during functional magnetic resonance imaging.

Results

Results demonstrate a subsequent process of increased impulsive decision-making following a prior exposure to both high positive and negative arousal stimuli, compared to the experiment subjects’ experiences with neutral stimuli. Findings indicate that increased impulsive decision-making behaviors can occur with high arousal and can be characterized by decreased activities in the cognitive control regions such as prefronto-parietal regions.

Conclusions

These results suggest that ‘stabilization of high emotional arousal’ may facilitate a reduction of impulsive decision-making and implementation of longer term goals.

【 授权许可】

   
2015 Sohn et al.; licensee BioMed Central.

【 图 表 】

Figure 1.

Figure 2.

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