Second to fourth digit ratio and sensation seeking

被引:65
作者
Fink, Bernhard
Neave, Nick
Laughton, Katharine
Manning, John T.
机构
[1] Univ Gottingen, Dept Sociobiol Anthropol, Inst Zool & Anthropol, D-37073 Gottingen, Germany
[2] Northumbria Univ, Human Cognit Neurosci Unit, Sch Psychol & Sport Sci, Newcastle Upon Tyne NE1 8ST, Tyne & Wear, England
[3] Univ Cent Lancashire, Dept Psychol, Preston PR1 2HE, Lancs, England
关键词
digit ratio; personality; sensation seeking; sex differences; testosterone;
D O I
10.1016/j.paid.2006.05.002
中图分类号
B84 [心理学];
学科分类号
04 ; 0402 ;
摘要
Sensation seeking has been described as a trait referring to the tendency to seek novel, varied, complex, and intense sensations and experiences; and the willingness to take risks for the sake of such experiences. Explanations for sensation seeking have been based upon genetic, evolutionary, psychophysiological, and sociocultural models. This study further examines the possibility that prenatal hormones - as measured via 2D:4D finger length ratio - may influence the development of certain personality characteristics associated with sensation seeking (Austin, Manning, McInroy, & Mathews, 2002). We studied the relationship between 2D:4D ratios, a supposed proxy for prenatal testosterone (T), and sensation seeking as assessed by the Sensation Seeking Scale Form V (SSS-V) in a sample of 278 German and UK University students. There were significant sex differences for 2D:4D and on the SSS-V, with males having lower 2D:4D ratios, but higher SSS-V scores. Furthermore, right- and left-hand 2D:4D in males was significantly negatively associated with total sensation seeking score, and the boredom subscale. No significant associations were found for women. Since low 2D:4D is supposed to indicate exposure to higher levels of T in utero, our data suggest that there may be an organizational effect of T which influences later development of sensation seeking personality characteristics in men. (c) 2006 Elsevier Ltd. All rights reserved.
引用
收藏
页码:1253 / 1262
页数:10
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