Tag

Sexualbehavior

All articles tagged with #sexualbehavior

neuroscience1 year ago

Scientists Identify Brain Circuit for Female Sexual Rejection

Researchers have discovered that progesterone-responsive neurons in the anterior ventromedial hypothalamus (VMH) of female mice toggle between sexual receptivity and rejection based on fertility. These neurons are active during rejection behaviors outside the fertile phase and receive inhibitory signals during fertility, reducing their activity and allowing mating. Using optogenetics, the study confirmed these neurons act as a neural switch for rejection, offering insights into human sexual behavior and related disorders.

science-and-health2 years ago

"Unlocking the Secrets of Male Desire: Brain Circuit Discovery in Mice"

Researchers at Stanford University have identified a specific brain circuit in male mice that controls sexual recognition, libido, mating behavior, and pleasure. This circuit involves neurons in the bed nucleus of the stria terminalis (BNST) producing Substance P, which connects to neurons with Substance P receptors in the preoptic hypothalamus. Stimulating these neurons can trigger mating behavior and even override the refractory period in male mice. The findings suggest that similar brain circuits may exist in humans and could lead to the development of drugs to manage sexual drive. The study's insights into this fundamental brain circuitry could have broader implications for understanding mammalian, including human, sexuality.