Specific Cerebral Activation Due to Visual Erotic Stimuli in Male-to-Female Transsexuals Compared with Male and Female Controls: An fMRI Study (original) (raw)
Journal Article
,
Department of Diagnostic and Interventional Radiology and Neuroradiology, University Hospital Essen
,
Essen
,
Germany
Corresponding Author: Elke R. Gizewski, MD, Deptartment of Diagnostic and Interventional Radiology and Neuroradiology, University Hospital Essen, Hufelandstr. 55, D-45127 Essen, Germany. Tel: (49) 201-723-1501; Fax: (49) 201-723-5959;. elke.gizewski@uni-due.de
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Department of Psychosomatic Medicine and Psychotherapy, University Hospital Essen
,
Essen
,
Germany
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,
Department of Diagnostic and Interventional Radiology and Neuroradiology, University Hospital Essen
,
Essen
,
Germany
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,
Department of Psychosomatic Medicine and Psychotherapy, University Hospital Essen
,
Essen
,
Germany
Search for other works by this author on:
,
Department of Diagnostic and Interventional Radiology and Neuroradiology, University Hospital Essen
,
Essen
,
Germany
Search for other works by this author on:
,
Department of Diagnostic and Interventional Radiology and Neuroradiology, University Hospital Essen
,
Essen
,
Germany
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Department of Psychosomatic Medicine and Psychotherapy, University Hospital Essen
,
Essen
,
Germany
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Published:
01 February 2009
Cite
Elke R. Gizewski, Eva Krause, Marc Schlamann, Friederike Happich, Mark E. Ladd, Michael Forsting, Wolfgang Senf, Specific Cerebral Activation Due to Visual Erotic Stimuli in Male-to-Female Transsexuals Compared with Male and Female Controls: An fMRI Study, The Journal of Sexual Medicine, Volume 6, Issue 2, February 2009, Pages 440–448, https://doi.org/10.1111/j.1743-6109.2008.00981.x
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ABSTRACT
Introduction
Transsexuals harbor the strong feeling of having been born to the wrong sex. There is a continuing controversial discussion of whether or not transsexualism has a biological representation. Differences between males and females in terms of functional imaging during erotic stimuli have been previously described, revealing gender-specific results.
Aim
Therefore, we postulated that male-to-female (MTF) transsexuals may show specific cerebral activation differing from their biological gender.
Main Outcome Measure
Cerebral activation patterns during viewing of erotic film excerpts in functional magnetic resonance imaging (fMRI).
Methods
Twelve male and 12 female heterosexual volunteers and 12 MTF transsexuals before any treatment viewed erotic film excerpts during fMRI. Additionally, subjective rating of sexual arousal was assessed. Statistics were performed using the Statistical Parametric Mapping software.
Results
Significantly enhanced activation for men compared with women was revealed in brain areas involved in erotic processing, i.e., the thalamus, the amygdala, and the orbitofrontal and insular cortex, whereas no specific activation for women was found. When comparing MTF transsexuals with male volunteers, activation patterns similar to female volunteers being compared with male volunteers were revealed. Sexual arousal was assessed using standard rating scales and did not differ significantly for the three groups.
Conclusions
We revealed a cerebral activation pattern in MTF transsexuals compared with male controls similar to female controls compared with male controls during viewing of erotic stimuli, indicating a tendency of female-like cerebral processing in transsexualism.
© International Society for Sexual Medicine 2008
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