Psychology 3226A/B Lecture Notes - Lecture 5: Ejaculation, Ddt, Preoptic Area

• School: Western University
• Department: Psychology
• Course: Psychology 3226A/B
• Professor: Genevieve Farrell

Document Summary

Males often exhibit less discriminate mate preference and mate choice sexual behavior is behavior that results in fertilization over evolutionary time, hormones regulating gamete production have been co opted to regulate sexual behavior: primarily gonadal androgens behavior can be divided into appetitive and consummatory phases. Eugen steinach: freudian approach, incipient sexuality triggered by growth of sexual glnads, steinach operation (removal of vas deferens) attempted to reduce mating behavior, but did not have effect early studies indicated an important role of experience, some castrated sexually experienced male rats have very slow decline in sexual interest, presumed effects of psychic qualities of the subjects. Androgens and sexual behavior in many species, castration reduces or eliminates sexual behavior androgen treatment reinstates sexual behavior androgens increase likelihood of sexual response to appropriate stimuli diversity within and among species in the extent to which sexual behavior is androgen dependent: some rodents highly dependent, primates, some reptiles low dependency.