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Physiological Motive
| Term | Definition |
|---|---|
| Lateral hypothalamus (LH) | Starts eating behavior; makes us hungry |
| Ventromedial hypothalamus (VMH) | Turns off urge to eat |
| Set point | Preset natural body weight |
| Anorexia nervosa | People who weigh less than 85% of their natural body weight but are terrified of being fat |
| Bulimia nervosa | Eating disorder characterized by eating binges followed by purging |
| Gonads | Male or female parts |
| Sexual orientation | The direction of an individual's sexual interest |
| Homosexuality | Tendency to direct sexual desire toward another of the same sex |
| Bisexuality | Tendency to direct sexual desire toward people of both sexes |
| Heterosexuality | Tendency to direct sexual desire toward people of the opposite sex |
| Biopsychosocial model | Attritubes the causes of homosexuality to the interaction of biological, psychological, and sociocultural factors |
| Sexual response cycle | excitement characterized by sexual arousal; plateau; orgasm; resolution |