Seok-Kyun Oh1, Gwang-Won Kim2,
  Jong-Chul Yang3, Seok-Kwun Kim4, Gwang-Woo Jeong2,5
1Research Institute for
  Medical Imaging (RIMI), Department of Radiology, Chonnam National University
  Hospital, Gwangju, Korea, Republic of; 2Interdisciplinary Program
  of Biomedical Engineering, Chonnam National University, Gwangju, Korea,
  Republic of; 3Department of Psychiatry, Chonbuk National
  University Medical School, Jeonju, Korea, Republic of; 4Department
  of Plastic & Reconstructive Surgery, Dong-A University College of
  Medicine, Busan, Korea, Republic of; 5Department of Radiology, Chonnam National University
  Medical School and Hospital, Gwangju, Korea, Republic of
Transsexualism is a type of the gender identity disorder and it is defined by a desire to be accepted as a member of the opposite sex. Neuroimaging studies for the male-to-female (MTF) transsexuals with a sex reassignment surgery and hormone supplementary therapy have not yet been reported. This study utilized a functional magnetic resonance imaging (fMRI) to contrast the differential brain activation patterns in response to visual stimulation with each male and female erotic nude pictures in MTF transsexuals.
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