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KMID : 1118520160130030333
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Psychiatry Investigation
2016 Volume.13 No. 3 p.333 ~ p.340
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Effects of Mind-Body Training on Personality and Behavioral Activation and Inhibition System According to BDNF Val66Met Polymorphism
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Jung Ye-Ha
Lee Ul-Soon
Jang Joon-Hwan
Kang Do-Hyung
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Abstract
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Objective : It has been known that mind-body training (MBT) can affect personality and behavior system as well as emotional well-being, but different effects of MBT on them has not been reported according to BDNF genetic polymorphism.
Methods : Healthy subjects consisted of 64 subjects and the MBT group who practiced meditation regularly consisted of 72 practitioners. Participants completed neuroticism-extraversion-openness (NEO) Five-Factor Inventory and Behavioral Activation System/Behavioral Inhibition System (BAS/BIS) scales. All subjects were genotyped for the BDNF Val66Met polymorphism.
Results : In the same genotypes of the BDNF Val/Val+Val/Met group, MBT group showed the increased Extraversion (p=0.033) and the increased Openness to Experience (p=0.004) compared to the control group. Also, in the same Met/Met carriers, MBT group exhibited the increase of Extraversion (p=0.008), the reduction of Neuroticism (p=0.002), and the increase of Openness to Experience (p=0.008) compared to the control group. In the same genotypes of the BDNF Val/Val+Val/Met group, MBT group showed the decreased BAS-Reward Responsiveness (p=0.016) and the decrease of BIS (p=0.004) compared to the control group. In the BDNF Met/Met group, MBT group increased BAS-Fun Seeking (p=0.045) and decreased BIS (p=0.013) compared to the control group.
Conclusion : MBT would differently contribute to NEO personality and BAS/BIS according to BDNF genetic polymorphism, compensating for different vulnerable traits based on each genotype.
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KEYWORD
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Mind-body training, NEO personality, Behavioral activation system, Behavioral inhibition system, BDNF Val66Met genetic polymorphism
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