Psychiatry Investig.
2013 Mar;10(1):47-55.
An fMRI Study Investigating Adolescent Brain Activation by Rewards and Feedback
- Affiliations
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- 1Department of Psychiatry, Chungbuk National University Hospital, Cheongju, Republic of Korea. mammosss@hanmail.net
- 2Department of Psychiatry, Cheongju Medical Health Hospital, Cheongju, Republic of Korea.
- 3Department of Psychology, Chungbuk National University, Cheongju, Republic of Korea.
- 4Department of Psychiatry, Bundang Seoul National University Hospital, Seongnam, Republic of Korea.
Abstract
OBJECTIVE
This study aimed to investigate the adolescent brain activation patterns in response to performance feedback (PF), social reward (SR) and monetary reward (MR) and their association with psychological factors.
METHODS
Functional magnetic resonance imaging (fMRI) was performed while middle school boys (n=15) performed tests pertained to PF, SR and MR. The brain activation pattern in each condition was investigated, and the extent of brain activation in each of the three conditions was compared at once.
RESULTS
The caudate and the dorsal prefrontal area were activated in all three conditions. Furthermore, the cuneus showed significantly greater activation in the PF condition than the SR or MR condition. And the self - related areas, such as the right precentral gyrus and paracenral lobule, were more activated in the SR condition than the PF or MR condition. The left middle frontal gyrus was more activated in the MR condition than the PF or SR condition.
CONCLUSION
Not only various reward stimuli but also feedback stimulus might commonly activate dorsal prefrontal and subcortical area in adolescents. Moreover, several different brain activation patterns were also observed in each condition. The results of this study could be applied to planning of learning and teaching strategy for adolescents in various ways.
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