The biological basis of anger: Associations with the gene coding for DARPP-32 (PPP1R1B) and with amygdala volume

被引:60
作者
Reuter, Martin [1 ]
Weber, Bernd [5 ,6 ]
Fiebach, Christian J. [2 ,3 ,4 ]
Elger, Christian [5 ,6 ]
Montag, Christian [1 ]
机构
[1] Univ Bonn, Dept Psychol, D-5300 Bonn, Germany
[2] Univ Heidelberg, Dept Psychol, Heidelberg, Germany
[3] Univ Heidelberg, Dept Neurol, Heidelberg, Germany
[4] Univ Heidelberg, Dept Neuroradiol, Heidelberg, Germany
[5] Univ Bonn, Dept Epileptol, D-5300 Bonn, Germany
[6] Univ Bonn, Dept NeuroCognit, Life & Brain Ctr, D-5300 Bonn, Germany
关键词
DARPP-32; gene; Anger; MRI; Amygdala; Voxel-based morphometry; Dopamine; SEROTONIN TRANSPORTER PROMOTER; AGGRESSIVE-BEHAVIOR; PERSONALITY-TRAITS; POLYMORPHISM; SCHIZOPHRENIA; COMT; HERITABILITY; DOPAMINE; DISORDER; FACES;
D O I
10.1016/j.bbr.2009.03.032
中图分类号
B84 [心理学]; C [社会科学总论]; Q98 [人类学];
学科分类号
03 ; 0303 ; 030303 ; 04 ; 0402 ;
摘要
Recent findings have highlighted the importance of DARPP-32 (dopamine- and cAMP-regulated phosphoprotein, 32 kDa), a key regulatory molecule in the dopaminergic signalling pathway for dopamine related phenotypes like antisocial-behavior, drug addiction and schizophrenia. This is the first study investigating the role of the DARPP-32 gene for personality. In a sample of n = 838 healthy German Caucasian subjects we found a significant association between rs907094 and ANGER. Carriers of the T-allele showed significantly higher ANGER scores than participants without a T-allele (F((1.837)) = 9.52, p = 0.002). In a second step we validated self-report data of ANGER by investigating their relation to structural brain differences in anger-related brain regions using voxel-based morphometry. A negative association between ANGER scores and the volume of the left amygdala could be detected. The present findings yield genetic evidence for the importance of dopaminergic signal transduction for the personality trait of ANGER. In addition volumetric MRI data support the role of the amygdala for the processing of anger. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码:179 / 183
页数:5
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