PSYC 250 Lecture Notes - Lecture 5: Vas Deferens, Breast Pain, Eclampsia
Document Summary
Sexual activity is driven by many factors, including hormones and neurotransmitters. Hormones and neurotransmitters both have powerful effects on our bodies: chiefly through hormones and neurotransmitters, neurotransmitters have an enormous effect on sexual behaviour. The series of physiological and psychological changes that occur in the body during sexual behaviour. Masters and johnson"s sexual response cycle: the best- known biological model. Proposed a four-phase model of physiological arousal known as the sexual response cycle, includes: excitement, plateau, orgasm, resolution. Although orgasms experienced during masturbation are: more physiologically intense than orgasms during partner sex. Orgasms during masturbation provides: less overall sexual satisfaction than orgasms experienced during partner sex. The sexual response cycle in males is similar to that of females: vasocongestion and myotonia cause physiological changes in the body. Excitement phase: tumescence, the swelling of the penis because of vasocongestion, causing an erection, detumescence, the return of an erect penis to the flaccid state.
