Clemens, Benjamin
[Author];
Votinov, Mikhail
[Author];
Puiu, Andrei Alexandru
[Author];
Schüppen, Andre
[Author];
Hüpen, Philippa
[Author];
Neulen, Josef
[Author];
Derntl, Birgit
[Author];
Habel, Ute
[Author]
Replication of Previous Findings? Comparing Gray Matter Volumes in Transgender Individuals with Gender Incongruence and Cisgender Individuals
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Media type:
E-Article
Title:
Replication of Previous Findings? Comparing Gray Matter Volumes in Transgender Individuals with Gender Incongruence and Cisgender Individuals
Contributor:
Clemens, Benjamin
[Author];
Votinov, Mikhail
[Author];
Puiu, Andrei Alexandru
[Author];
Schüppen, Andre
[Author];
Hüpen, Philippa
[Author];
Neulen, Josef
[Author];
Derntl, Birgit
[Author];
Habel, Ute
[Author]
Published:
MDPI, 2021
Published in:Journal of Clinical Medicine 10(7), 1454 - (2021). doi:10.3390/jcm10071454
Language:
English
DOI:
https://doi.org/10.3390/jcm10071454
ISSN:
2077-0383
Origination:
Footnote:
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Description:
The brain structural changes related to gender incongruence (GI) are still poorly understood. Previous studies comparing gray matter volumes (GMV) between cisgender and transgender individuals with GI revealed conflicting results. Leveraging a comprehensive sample of transmen (n = 33), transwomen (n = 33), cismen (n = 24), and ciswomen (n = 25), we employ a region-of-interest (ROI) approach to examine the most frequently reported brain regions showing GMV differences between trans- and cisgender individuals. The primary aim is to replicate previous findings and identify anatomical regions which differ between transgender individuals with GI and cisgender individuals. On the basis of a comprehensive literature search, we selected a set of ROIs (thalamus, putamen, cerebellum, angular gyrus, precentral gyrus) for which differences between cis- and transgender groups have been previously observed. The putamen was the only region showing significant GMV differences between cis- and transgender, across previous studies and the present study. We observed increased GMV in the putamen for transwomen compared to both transmen and ciswomen and for all transgender participants compared to all cisgender participants. Such a pattern of neuroanatomical differences corroborates the large majority of previous studies. This potential replication of previous findings and the known involvement of the putamen in cognitive processes related to body representations and the creation of the own body image indicate the relevance of this region for GI and its potential as a structural biomarker for GI