HPRO 4412 Lecture Notes - Lecture 4: Underarm Hair, Pubic Hair, Sexual Differentiation
16 Jan 2016
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Document Summary
Produces sex hormones and influences sexual acts and the individual"s perception sexuality. Even before birth, the human brain is very sensitive to androgens and estrogens. Some researchers speculate that transsexuality and same-sex orientation may be a result of the fetus"s brain being exposed to different hormones during the critical development. Hormones may directly affect such things as sexual attraction, desire and performance. Androgen and estrogen receptors and distributed widely throughout neural and genital tissue in men and women. Hormones may play a part in genital sexual arousal. Higher testosterone levels in men and women are linked to: frequency of sex, shorter term relationships, polyamorous relationships, more frequent masturbation (males only) Frequency of masturbation in women is related to estrogens. Smells or chemo-sensations activate areas in our primitive brain or limbic system outside our conscious awareness. Olfaction, memory, and sexual response are strongly linked. In humans pheromones are produced by the apocrine glands in the armpit and the pubic areas.
