Previous studies hypothesized a neurobiological mechanism for gender identity disorder (GID). Recently a possible role for serum brain-derived neurotrophic factor (BDNF) was suggested on the basis of reduced serum BDNF levels in male-to-female individuals. Here we review the question whether there is indeed a role of BDNF in the development of transsexualism.
Keywords: Gender identity disorder; Male to female; Neurobiology; Neuroplasticity; Transgender; Transsexual.
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