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Sex-specific association between prenatal androgenization (second-to-fourth digit length ratio) and frontal brain volumes in adolescents.

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Title: Sex-specific association between prenatal androgenization (second-to-fourth digit length ratio) and frontal brain volumes in adolescents.
Authors: Lenz, Bernd (AUTHOR), Gerhardt, Sarah (AUTHOR), Boroumand-Jazi, Rafat (AUTHOR), Eichler, Anna (AUTHOR), Buchholz, Verena Nadine (AUTHOR), Fasching, Peter A. (AUTHOR), Kornhuber, Johannes (AUTHOR), Banaschewski, Tobias (AUTHOR), Flor, Herta (AUTHOR), Guldner, Stella (AUTHOR), Prignitz, Maren (AUTHOR), Nees, Frauke (AUTHOR)
Source: European Archives of Psychiatry & Clinical Neuroscience. Sep2023, Vol. 273 Issue 6, p1243-1254. 12p. 3 Charts, 2 Graphs.
Subjects: Prefrontal cortex, Teenage boys, Teenage girls, Cingulate cortex, Frontal lobe, Prenatal depression, Risk-taking behavior
Abstract: Prenatal androgenization associates sex-dependently with behavior and mental health in adolescence and adulthood, including risk-taking, emotionality, substance use, and depression. However, still little is known on how it affects underlying neural correlates, like frontal brain control regions. Thus, we tested whether prenatal androgen load is sex-dependently related to frontal cortex volumes in a sex-balanced adolescent sample. In a cross-sectional magnetic resonance imaging study, we examined 61 adolescents (28 males, 33 females; aged 14 or 16 years) and analyzed associations of frontal brain region volumes with the second-to-fourth digit length ratio (2D:4D), an established marker for prenatal androgenization, using voxel-based morphometry in a region-of-interest approach. Lower 2D:4D (indicative of higher prenatal androgen load) correlated significantly with smaller volumes of the right anterior cingulate cortex (r-ACC; β = 0.45) in male adolescents and with larger volumes of the left inferior frontal gyrus orbital part (l-IFGorb; β = – 0.38) in female adolescents. The regression slopes of 2D:4D on the r-ACC also differed significantly between males and females. The study provides novel evidence that prenatal androgenization may influence the development of the frontal brain in a sex- and frontal brain region-specific manner. These effects might contribute to the well-known sex differences in risk-taking, emotionality, substance use, and depression. Future research is needed to elucidate the role of prenatal androgenization within the biopsychosocial model. [ABSTRACT FROM AUTHOR]
Copyright of European Archives of Psychiatry & Clinical Neuroscience is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Sex-specific association between prenatal androgenization (second-to-fourth digit length ratio) and frontal brain volumes in adolescents.
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  Data: <searchLink fieldCode="AR" term="%22Lenz%2C+Bernd%22">Lenz, Bernd</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Gerhardt%2C+Sarah%22">Gerhardt, Sarah</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Boroumand-Jazi%2C+Rafat%22">Boroumand-Jazi, Rafat</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Eichler%2C+Anna%22">Eichler, Anna</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Buchholz%2C+Verena+Nadine%22">Buchholz, Verena Nadine</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Fasching%2C+Peter+A%2E%22">Fasching, Peter A.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Kornhuber%2C+Johannes%22">Kornhuber, Johannes</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Banaschewski%2C+Tobias%22">Banaschewski, Tobias</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Flor%2C+Herta%22">Flor, Herta</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Guldner%2C+Stella%22">Guldner, Stella</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Prignitz%2C+Maren%22">Prignitz, Maren</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Nees%2C+Frauke%22">Nees, Frauke</searchLink> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22European+Archives+of+Psychiatry+%26+Clinical+Neuroscience%22">European Archives of Psychiatry & Clinical Neuroscience</searchLink>. Sep2023, Vol. 273 Issue 6, p1243-1254. 12p. 3 Charts, 2 Graphs.
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  Data: <searchLink fieldCode="DE" term="%22Prefrontal+cortex%22">Prefrontal cortex</searchLink><br /><searchLink fieldCode="DE" term="%22Teenage+boys%22">Teenage boys</searchLink><br /><searchLink fieldCode="DE" term="%22Teenage+girls%22">Teenage girls</searchLink><br /><searchLink fieldCode="DE" term="%22Cingulate+cortex%22">Cingulate cortex</searchLink><br /><searchLink fieldCode="DE" term="%22Frontal+lobe%22">Frontal lobe</searchLink><br /><searchLink fieldCode="DE" term="%22Prenatal+depression%22">Prenatal depression</searchLink><br /><searchLink fieldCode="DE" term="%22Risk-taking+behavior%22">Risk-taking behavior</searchLink>
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  Data: Prenatal androgenization associates sex-dependently with behavior and mental health in adolescence and adulthood, including risk-taking, emotionality, substance use, and depression. However, still little is known on how it affects underlying neural correlates, like frontal brain control regions. Thus, we tested whether prenatal androgen load is sex-dependently related to frontal cortex volumes in a sex-balanced adolescent sample. In a cross-sectional magnetic resonance imaging study, we examined 61 adolescents (28 males, 33 females; aged 14 or 16 years) and analyzed associations of frontal brain region volumes with the second-to-fourth digit length ratio (2D:4D), an established marker for prenatal androgenization, using voxel-based morphometry in a region-of-interest approach. Lower 2D:4D (indicative of higher prenatal androgen load) correlated significantly with smaller volumes of the right anterior cingulate cortex (r-ACC; β = 0.45) in male adolescents and with larger volumes of the left inferior frontal gyrus orbital part (l-IFGorb; β = – 0.38) in female adolescents. The regression slopes of 2D:4D on the r-ACC also differed significantly between males and females. The study provides novel evidence that prenatal androgenization may influence the development of the frontal brain in a sex- and frontal brain region-specific manner. These effects might contribute to the well-known sex differences in risk-taking, emotionality, substance use, and depression. Future research is needed to elucidate the role of prenatal androgenization within the biopsychosocial model. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of European Archives of Psychiatry & Clinical Neuroscience is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Text: English
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      – SubjectFull: Prefrontal cortex
        Type: general
      – SubjectFull: Teenage boys
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