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Abstract #1571

Brain Activation in Response to Visually Evoked Sexual Arousal Ln Male-To-Female Transsexuals: 3.0 Tesla Functional MRI

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.