2009 Fiscal Year Final Research Report
The neural correlates of personality and implicit self-relevant processing
| Project/Area Number |
20700433
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| Research Category |
Grant-in-Aid for Young Scientists (B)
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| Allocation Type | Single-year Grants |
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| Research Field |
Rehabilitation science/Welfare engineering
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| Research Institution | Tokyo Metropolitan University |
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Principal Investigator |
MIYAMOTO Reiko Tokyo Metropolitan University, 人間健康科学研究科, 助教 (70404944)
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| Project Period (FY) |
2008 – 2009
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| Keywords | リハビリテーション医学 / fMRI |
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| Research Abstract |
There are gender differences in behavioral characteristics and incidence of some psychiatric disorders related to the protecting mechanism. Accordingly, there would be also gender difference in the neural mechanism. Here, we investigated the differences between males and females regarding the brain regions involved in self-related internal conflicts. Healthy 14 males and 12 females were scanned at 1.5 tesla functional magnetic resonance imaging (fMRI) while performing the self-related Implicit Association Test (IAT). The dorsomedial prefrontal cortex was activated and positively correlated with the explicit self-esteem scales in male's, the ventromedial prefrontal cortex was activated and negatively correlated with the scores of self-esteem scales in female's. We found no correlation between brain activation and personality scores.
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