Typically, scanners operate at 1.5, but systems range from 0.2 to seven. The field strength of MRI scanners is measured in tesla. Signals received by protons moving around the person's body can be combined to create a detailed image of inner organsĭuring a magnetic resonance imaging (MRI) scan, subjects lie in a strong magnetic field with radio-frequency waves directed at their body. They also studied the claims that the volume of the uterus increases during sexual arousal, as proposed by William Master and Virginia Johnson in 1964.ĭuring a magnetic resonance imaging (MRI) scan, (scanner pictured) subjects lie in a strong magnetic field with radio-frequency waves directed at their body. In particular, they wanted to address claims made by Robert Latou Dickinson in 1933 that the penis formed an S shape when inside a female during sex. They also wanted to find out whether ‘former and current ideas about the anatomy during sexual intercourse and during female sexual arousal were based on assumptions or on facts’. The purpose of the study was to discover whether imaging of the male and female genitals during coitus was feasible. This video was actually recorded during the 1960s by Dutch doctor Pek Van Andel in a hospital in Groningen.īoth the kissing and the sex video were created using hundreds of still MRI images stitched together to form a time-lapse.ĭr Van Andel, alongside gynaecology Professor Willibrord Weijmar Schultz, anthropologist Ida Sabelis and radiologist, Eduard Mooyaart, used the images as the basis of a scientific paper in 1999 called Magnetic Resonance Imaging of Male and Female Genitals During Coitus and Female Sexual Arousal.
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