"Sexual orientation is not a matter of choice, it is primarily neurobiological at birth", Dr. Jerome Goldstein, Director of the San Francisco Clinical Research Center (USA) stressed today at the 21st Meeting of the European Neurological Society (ENS) in Lisbon. "There are undeniable links. We want to make them visible to the eye". At the congress he showed how the brains of people of different sexual orientations - gay, straight, bisexual - work in different ways, applying volumetric Magnetic Resonance Imaging (MRI), functional fMRI scanning, and PET scanning.
There have been several reports of twin studies indicating the probable genetic link of sexual orientation. Dr. Goldstein has begun accumulating a database of identical twins, whose sexual orientation will be further evaluated by MRI, fMRI scanning, and PET scanning.
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