Special issue preamble: Digit ratio (2D:4D) and individual differences research |
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| Authors: | Martin Voracek |
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| Institution: | Department of Basic Psychological Research, School of Psychology, University of Vienna, Austria |
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| Abstract: | The sexually differentiated second-to-fourth digit ratio (2D:4D) is currently frequently utilized in individual differences research as a putative indicator of the masculinizing brain organization effects of prenatal testosterone. This preamble introduces the journal special issue on this theme, entitled “Digit ratio (2D:4D) and individual differences research”. Notes regarding the background, history, and recent progress of 2D:4D research are provided, and the background of the special issue and the contents of its 11 research articles are briefly summarized. |
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| Keywords: | Digit ratio (2D:4D) Finger length Journal special issue Prenatal testosterone Brain organization Masculinization Sex differences Individual differences |
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