PSYB30H3 Study Guide - Final Guide: Nonconformist, Antigen, Inah 3

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16 Apr 2015
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What is sexual orientation: researchers today define sexual orientation as the prevalence of erotic arousals, feelings, fantasies, and behaviours one has for males, females, or both. Sexual orientation may be expressed in sexual attraction, sexual behaviour, or sexual identity: sexual behaviour refers to a person"s actions, that is, those sexual activities they have actually engaged in. This may include any genital contact and sexual excitement, with or without intercourse or orgasm, occurring with mutual consent of both partners: finally, sexual identity includes labels people associate with their sexuality, whether personally selected or socially ascribed. However, his real discovery was that the inah- 3 of gay men was indistinguishable from that of heterosexual women and was also half the size of heterosexual me. Exposure to prenatal hormones during a critical period may affect the development of brain structures that influence sexual orientation: prenatal factors: during prenatal development, all embryos start out developing exactly the same.