Association of harm avoidance with dopamine D2/3 receptor availability in striatal subdivisions: A high resolution PET study

被引：30

作者：

Kim, Jong-Hoon ^{[2
]}

Son, Young-Don ^{[1
]}

Kim, Hang-Keun ^{[1
]}

Lee, Sang-Yoon ^{[1
]}

Cho, Seo-Eun ^{[2
]}

Kim, Young-Bo ^{[1
,3
]}

Cho, Zang-Hee ^{[1
]}

机构：

[1] Gachon Univ Med & Sci, Gil Hosp, Neurosci Res Inst, Inchon 405760, South Korea

[2] Gachon Univ Med & Sci, Gil Hosp, Dept Psychiat, Inchon 405760, South Korea

[3] Gachon Univ Med & Sci, Gil Hosp, Dept Neurosurg, Inchon 405760, South Korea

来源：

BIOLOGICAL PSYCHOLOGY | 2011年 / 87卷 / 01期

关键词：

Harm avoidance; Dopamine D(2/3) receptor; Striatal subdivisions; Positron emission tomography; Raclopride; POSITRON-EMISSION-TOMOGRAPHY; PERSONALITY-TRAITS; PARKINSONS-DISEASE; SOCIAL-DOMINANCE; NOVELTY SEEKING; MONKEYS; BINDING; TRANSMISSION; VOLUNTEERS;

D O I：

10.1016/j.biopsycho.2011.02.011

中图分类号：

B84 [心理学];

学科分类号：

04 ; 0402 ;

摘要：

We examined the relationship between the personality trait of harm avoidance (HA) and the dopamine D(2/3) receptor availability in striatal subdivisions using high resolution positron emission tomography RED with [(11)C]raclopride. Twenty-one healthy subjects completed 3 T magnetic resonance imaging and high resolution PET scans with [(11)C]raclopride in order to measure D(2/3) receptor availability in subregions of the striatum. The D(2/3) receptor availability was obtained on the basis of the Logan graphical method. The Temperament and Character Inventory was used to measure the biogenetic temperament of HA. The analysis revealed that the HA score had significant negative correlations with D(2/3) receptor availability in the pre-commissural dorsal caudate and post-commissural putamen, suggesting that HA is associated with D(2/3) receptor availability in the associative and sensorimotor subdivisions of the striatum, which are mainly involved in cognition and locomotion. Further research is required to determine if pathological states have similar dopaminergic mechanisms in specific striatal subdivisions. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：164 / 167

页数：4

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