The COMT Val158Met polymorphism regulates the effect of a dopamine antagonist on the feedback-related negativity.

The COMT Val158Met polymorphism regulates the effect of a dopamine antagonist on the feedback-related negativity.
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COMT Val158Met 多态性调节多巴胺拮抗剂对反馈相关负性的影响

DOI:
10.1111/psyp.12226
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发表时间:
2014
期刊:
影响因子:
3.7
通讯作者:
Stemmler
Stemmler
中科院分区:
心理学3区
文献类型:
--
作者:
Mueller;Burgdorf;Chavanon;Schweiger;Hennig;Wacker;Stemmler

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与多巴胺对内部和外部反馈处理的解释一致,先前的研究表明多巴胺 D2 受体拮抗剂舒必利调节多巴胺能 COMT Val158Met 多态性与错误相关阴性 (ERN) 之间的关系。在这里,我们在一个独立样本中测试了这种基因×物质相互作用是否推广到反馈相关负性(FRN),这可能与ERN共享潜在的多巴胺能机制。N= 83名COMT Val158Met基因型女性参与者接受了200毫克舒必利与安慰剂相比,并执行了虚拟接球任务。 FRN 的正反馈与负反馈是通过显着的 COMT × 物质相互作用来调节的。与之前对 ERN 的研究相呼应,舒必利逆转安慰剂后,VAL+ 与 MET/MET 携带者相比,FRN 的趋势更为明显。因此,这些发现为反馈处理的多巴胺能模型提供了新的证据。
Consistent with dopamine accounts of internal and external feedback processing, prior work showed that the dopamine D2 receptor antagonist sulpiride modulates the relationship between the dopaminergic COMT Val158Met polymorphism and the error‐related negativity (ERN). Here, we tested in an independent sample whether this Gene × Substance interaction generalizes to the feedback‐related negativity (FRN), which presumably shares underlying dopaminergic mechanisms with the ERN.N= 83 female participants genotyped for COMT Val158Met received 200 mg sulpiride versus placebo and performed a virtual ball‐catching task. The FRN to positive versus negative feedback was modulated by a significant COMT × Substance interaction. Mirroring prior work on the ERN, the tendency of the FRN to be more pronounced for VAL+ versus MET/MET carriers after placebo was reversed by sulpiride. The findings thus provide new evidence for dopaminergic models of feedback processing.
COMT Val158Met 基因型以及错误和冲突监测的共同基础
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