PSYC 1010 Chapter Notes -Human Sexual Activity, Human Sexual Response Cycle, Orgasm

• School: York University
• Department: Psychology
• Course: PSYC 1010
• Professor: Heather Jenkin

Document Summary

Module 33: sexual motivation and the need to belong. To understand sexual motivation we need to know that sexual arousal depends on the interpay of internal and external stimuli. What physiological factors affect human sexual behavior, and what disorders disrupt the sexual response cycle? sexual response cycle: the four stages of sexual responding described my masters and johnson. Initial excitement phase: men"s a women"s genital areas become engorged with blood, a woman"s vagina expands and secretes lubricant, and her breasts and nipples may enlarge. Plateau phase: excitement peaks as breathing, pulse, and blood pressure rates continue to increase. Vagina secretion continues to increase, clitoris reacts, and orgasm feels imminent. Orgasm: accompanied by further increase in breathing, pulse, and blood pressure rates. A woman"s orgasm will increase retention of deposited sperm and propel sperm to uterus for conception. Body gradually returns to unaroused state during the resolution phase.