BIOL 178 Lecture Notes - Lecture 9: Intravaginal Administration, Ejaculation, Libido
6 Mar 2020
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Components of male sexual behavior: appetite phase, behaviors used by a male to gain access to a female (searching for females, courtship) Example: male mice sing ultrasonic courtship songs to females (or: consummatory phase females" urine, copulation (mounting, intromission, ejaculation) How is male sexual behavior measured: standard mating tests, one male + one female, may contain an obstacle or task to test male motivation. Diversity in male sexual behavior: species differ in , single vs. Androgens restore penile reflexes in castrated males. Estrogens do not restore penile reflexes in castrated males. Androgens, acting though androgen receptors, reduce the amount: e is necessary for intromission, but dht is necessary for erections! of tactile stimulation needed to elicit erections! How does the brain control male sexual behavior? (rodents) What techniques can be used to identify the roles of various brain regions in. Brain mechanisms of male sexual behavior: electrophysiological recording.
