Non-genital Orgasms

excerpt from What happens in the brain during an orgasm? by Shanna Freeman

Perhaps more unusual-sounding than orgasmia is the concept of orgasms that have nothing to do with the genitalia at all. Some people can orgasm from being touched in other places on the body, such as the nipples. In this case, researchers believe that the sensations in the nipples are transmitted to the same areas of the brain that receive information from the genitals. However, people have also reported actually feeling orgasms in other parts of their bodies, including their hands and feet. Several people have even described having orgasms in limbs that were no longer there. One reason may be the layout of the cortical homunculus, a map that shows how different places of the brain’s sensory and motor cortices correspond to the organs and limbs of the body. A person who feels an orgasm in a phantom foot, for example, may have experienced a remapping of the senses because the foot is located next to the genitals in the homunculus. The foot is no longer there to provide sensation, so the area for genital sensation took over the space.