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Unformatted text preview: : Sections of the anterior hypothalamus were mounted onto slides and looked at under a compound microscope. The outlines of the four nuclei were traced and compared by size and volume. Drugs : Buffered formalin, 30% sucrose, xylene, 1% thionin in acetate buffer, 5% rosin in 95% alcohol. Results : No differences were found for INAH 1, 2, or 4. INAH 2 was reported larger in men than women. INAH 3 exhibited dimorphism. Conclusion : INAH is dimorphic and suggests that sexual orientation does have a biological substrate. Critique : The differences in the anterior hypothalamus between homosexuals and heterosexuals may be a result of the AIDS virus and not sexual preference....
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This note was uploaded on 04/17/2008 for the course PSY 430 taught by Professor Valdez during the Winter '08 term at Grand Valley State.
- Winter '08