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标题：The point of no return in motor response: Extraversion-related differences
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作者：JUTTA STAHL ; THOMAS RAMMSAYER
期刊名称：Psychology Science
印刷版ISSN：1614-9947
出版年度：2007
卷号：49
期号：01
出版社：Pabst Science Publishers
摘要：The present study aimed at investigating extraversion-related individual differences in response organization. For this purpose, 50 female participants completed the Eysenck Personality Questionnaire and Dickman’s Impulsivity Inventory and performed a stop-signal reaction-time task. The most significant finding was that the so-called point of no return, defined as the point in time where a once initiated response can no longer be withheld, was reliably earlier reached with increasing individual extraversion scores. Extraverts' earlier point of no return appears to be a function of their tendency to continue and augment current response activity as implied by Brebner's theory of extraversion. Additional commonality analysis revealed that the point of no return is primarily modulated by the personality dimension of extraversion rather than the more specific trait of dysfunctional impulsivity.
关键词：Extraversion, response organization, stop-signal task, stop-signal delay