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PET imaging reveals brain metabolism of orgasmic reactions
Dutch researchers may have done more to recruit radiologists than any public relations campaign ever could. They've used PET imaging to probe the brains of men and women before and during sexual orgasm.
Dutch researchers may have done more to recruit radiologists than any public relations campaign ever could. They've used PET imaging to probe the brains of men and women before and during sexual orgasm.
One finding showed that parts of women's brains, including those that govern emotional control, essentially shut down during orgasm. The same areas imaged during a faked orgasm were rife with FDG.
Areas of women's brains that control fear and anxiety, such as the amygdala, begin to deactivate during sexual activity, closing down at orgasm. In addition, women don't seem to rely as much as men on direct sensory input from the genitals. In men, the secondary somatosensory cortex, which rates the significance of physical sensations, showed greater FDG activity than in women.
Reliable data on men, however, were sparse because their orgasm needed to last a few minutes to compare scans before and during climax.
Dr. Gert Holstege, from the University of Groningen, reported the study at the European Society of Human Reproduction and Embryology meeting in July.
FDA Approves Fluorescence Imaging System for Detecting Residual Breast Cancer
April 18th 2024The combination of the optical imaging agent Lumisight and the fluorescence imaging device Lumicell Direct Visualization System, collectively known as LumiSystem, reportedly offers 84 percent accuracy with real-time detection of residual breast cancer after lumpectomy procedures.
Study of Ofatumumab for Multiple Sclerosis Shows 'Profoundly Suppressed MRI Lesion Activity'
April 17th 2024The use of continuous ofatumumab in patients within three years of a relapsing multiple sclerosis diagnosis led to substantial reductions in associated lesions on brain MRI scans, according to research recently presented at the American Academy of Neurology (AAN) conference.
Could a Deep Learning Model for Mammography Improve Prediction of DCIS and Invasive Breast Cancer?
April 15th 2024Artificial intelligence (AI) assessment of mammography images may significantly enhance the prediction of invasive breast cancer and ductal carcinoma in situ (DCIS) in women with breast cancer, according to new research presented at the Society for Breast Imaging (SBI) conference.
