Sunday, September 24, 2017

We Are Different, Or Are We?

There is an interesting new study out looking at brain differences in adolescents transgender boys and girls and they found the same results as in trans women and men.
Brain functional connectivity patterns in children and adolescents with gender dysphoria: sex-atypical or not?
Journal of Psycho­neuro­endocrinology
By Nienke M. Nota, Baudewijntje P. Kreukel, Martin den Heijer, Dick J. Veltman, Peggy T. Cohen-Kettenis, Sarah M. Burke, and Julie Bakker
September 15, 2017

Highlights
  • Cisgender adolescents show sex-dimorphic brain functional connectivity patterns within sensorimotor network-II and the posterior default mode network.
  • Adolescents with gender dysphoria show sex-atypical or gender dysphoria-specific brain functional connectivity patterns within visual network-I, sensorimotor network-II and the posterior default mode network.
  • Brain functional connectivity patterns are comparable between prepubertal children with gender dysphoria and prepubertal cisgender children
Abstract
…Within one of the three VNs (VN-I) [visual networks], adolescent transgirls showed stronger FC [functional connectivity] in the right cerebellum compared with all other adolescent groups. Within these networks adolescent transgirls showed FC patterns similar to their experienced gender (female). Also adolescent transboys showed a FC pattern similar to their experienced gender (male), but within the SMN-II [sensorimotor networks] only. The prepubertal children did not show any group differences in FC, suggesting that these emerge with aging and during puberty. Our findings provide evidence for the existence of both GD-specific and sex-atypical FC patterns in adolescents with GD.
So what this study seems to show is that our brains are different at an early age, there has been research adults that found the same changes in our brains. What causes these changes is still unknown.

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