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Tonic activity level in the right prefrontal cortex predicts individuals' risk taking


Gianotti, L R R; Knoch, D; Faber, P L; Lehmann, D; Pascual-Marqui, R D; Diezi, C; Schoch, C; Eisenegger, C; Fehr, Ernst (2009). Tonic activity level in the right prefrontal cortex predicts individuals' risk taking. Psychological Science, 20(1):33-38.

Abstract

Human risk taking is characterized by a large amount of individual heterogeneity. In this study, we applied resting-state electroencephalography, which captures
stable individual differences in neural activity, before subjects performed a risk-taking task. Using a source localization technique, we found that the baseline cortical activity in the right prefrontal cortex predicts individual risk-taking behavior. Individuals with higher baseline cortical activity in this brain area display more risk aversion than do other individuals. This finding demonstrates that neural characteristics that are stable over time can predict a highly complex behavior such as risk-taking behavior and furthermore suggests that hypoactivity in the right prefrontal cortex might serve as a dispositional indicator of lower regulatory abilities, which is expressed in greater risk-taking behavior.

Abstract

Human risk taking is characterized by a large amount of individual heterogeneity. In this study, we applied resting-state electroencephalography, which captures
stable individual differences in neural activity, before subjects performed a risk-taking task. Using a source localization technique, we found that the baseline cortical activity in the right prefrontal cortex predicts individual risk-taking behavior. Individuals with higher baseline cortical activity in this brain area display more risk aversion than do other individuals. This finding demonstrates that neural characteristics that are stable over time can predict a highly complex behavior such as risk-taking behavior and furthermore suggests that hypoactivity in the right prefrontal cortex might serve as a dispositional indicator of lower regulatory abilities, which is expressed in greater risk-taking behavior.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > The KEY Institute for Brain-Mind Research
Dewey Decimal Classification:610 Medicine & health
Language:English
Date:2009
Deposited On:12 Mar 2009 17:24
Last Modified:05 Apr 2016 12:49
Publisher:Sage Publications
ISSN:0956-7976
Publisher DOI:https://doi.org/10.1111/j.1467-9280.2008.02260.x
PubMed ID:19152538

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