Neural correlates of subliminally presented visual sexual stimuli |
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| Affiliation: | 1. Oregon Health and Science University, Department of Urology, Minneapolis, MN;2. Oregon Health and Science University, Radiation Medicine, Minneapolis, MN;3. Veterans Administration, Portland Health Care System, Portland, OR;1. Palo Alto Veterans Health Care System, Palo Alto, CA, USA;2. Stanford University, Department of Psychiatry and Behavioral Sciences, Palo Alto, CA, USA;3. National Center for Complementary and Integrative Health, National Institutes of Health, Bethesda, MD, USA;4. Southern Cross University, Psychology Department, Bilinga, QLD, Australia;5. Rutgers University, Psychology Department, Newark, NJ, USA;1. Department of Psychiatry, Yale School of Medicine, New Haven, CT, United States;2. Connecticut Mental Health Center, New Haven, CT, United States;3. Yale School of Public Health, New Haven, CT, United States;4. Center for Healthcare Organization and Implementation Research, Boston, MA, United States;5. Connecticut Council on Problem Gambling, Guilford, CT, United States;6. Connecticut Department of Mental Health and Addiction Services Problem Gambling Services, Middletown, CT, United States;7. Department of Neurobiology, Child Study Center, New Haven, CT, United States;8. CASAColumbia, Yale School of Medicine, New Haven, CT, United States;1. Institute of Cognitive Neuroscience, University College London, Alexandra House, 17 Queen Square, London WC1N 3AR, UK;2. Department of Psychology, Royal Holloway University of London, Egham, Surrey TW20 0EX, UK;3. Gatsby Computational Neuroscience Unit, University College London, 25 Howland Street, London, W1T4JG, UK |
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| Abstract: | In the context of forensic psychiatry, it is crucial that diagnoses of deviant sexual interests are resistant to manipulation. In a first attempt to promote the development of such tools, the current fMRI study focusses on the examination of hemodynamic responses to preferred, in contrast to non-preferred, sexual stimuli with and without explicit sexual features in 24 healthy heterosexual subjects. The subliminal stimulus presentation of sexual stimuli could be a new approach to reduce vulnerability to manipulation. Meaningful images and scrambled images were applied as masks. Recognition performance was low, but interestingly, sexual preference and explicitness modulated stimulus visibility, suggesting interactions between networks of sexual arousal and consciousness. With scrambled masks, higher activations for sexually preferred images and for explicit images were found in areas associated with sexual arousal (Stoleru, Fonteille, Cornelis, Joyal, & Moulier, 2012). We conclude that masked sexual stimuli can evoke activations in areas associated with supraliminal induced sexual arousal. |
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| Keywords: | Sexual arousal Sexual orientation Consciousness Subliminal stimulation fMRI Anterior cingulate cortex Inferior frontal gyrus Basal ganglia |
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