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  • Title: Catechol-O-methyltransferase (COMT) gene modulates private self-consciousness and self-flexibility.
    Author: Wang B, Ru W, Yang X, Yang L, Fang P, Zhu X, Shen G, Gao X, Gong P.
    Journal: Conscious Cogn; 2016 Aug; 44():186-192. PubMed ID: 27522491.
    Abstract:
    Dopamine levels in the brain influence human consciousness. Inspired by the role of Catechol-O-methyltransferase (COMT) in inactivating dopamine in the brain, we investigated to what extent COMT could modulate individual's self-consciousness dispositions and self-consistency by genotyping the COMT Val158Met (rs4680) polymorphism and measuring self-consciousness and self-consistency and congruence in a college student population. The results indicated that COMT Val158Met polymorphism significantly modulated the private self-consciousness. The individuals with Val/Val genotype, corresponding to lower dopamine levels in the brain, were more likely to be aware of their feelings and beliefs. The results also indicated that this polymorphism modulated one's self-flexibility. The individuals with Val/Val genotype showed higher levels of stereotype in self-concept compared with those with Met/Met genotype. These findings suggest that COMT is a predictor of the individual differences in self-consciousness and self-flexibility.
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