Sources of Openness/Intellect: Cognitive and neuropsychological correlates of the fifth factor of personality

被引:323
作者
DeYoung, CG
Peterson, JB
Higgins, DM
机构
[1] Univ Toronto, Dept Psychol, Toronto, ON M5S 3G3, Canada
[2] Harvard Univ, Dept Psychol, Cambridge, MA 02138 USA
关键词
D O I
10.1111/j.1467-6494.2005.00330.x
中图分类号
B84 [心理学];
学科分类号
04 ; 0402 ;
摘要
We characterize Openness/Intellect as motivated cognitive flexibility, or cognitive exploration, and develop a neuropsychological model relating it to dopaminergic function and to the functions of the prefrontal cortex (PFC). Evidence is reviewed for sources of Openness/Intellect shared with Extraversion and sources unique to Openness/Intellect. The hypothesis that the cognitive functions of the dorsolateral PFC are among the latter was tested using standard measures of cognitive ability and a battery of tasks associated with dorsolateral PFC function (N=175). Dorsolateral PFC function, as well as both fluid and crystallized cognitive ability, was positively related to Openness/Intellect but no other personality trait. Additionally, facet level analysis supported the characterization of Openness/Intellect as a primarily cognitive trait.
引用
收藏
页码:825 / 858
页数:34
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