PSY395H5 Lecture Notes - Lecture 3: Fetus, Uterine Horns, Tabula Rasa

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Test next monday: 10mc, 10ill in blank, 10sa. Negaive feedback results in pulsaile release of hormone: the posterior pit is derived from base of brain. 2: neurosteroids produced by: glial cells, the hypothalamus is connected to posterior pit by: vasopressin neurons and oxytocin neurons. Short answer sample: deine aromaizaion hypothesis and describe an experiment that supports this hypothesis: The aromaizaion hypo states that testosterone is converted to estradiol by the enzyme aromatase, and that the resuling estradiol acts on estrogen receptors to masculinize the brain. To test this hypothesis, one study created mice that lack aromatase (arko mice). In the arko mice, there was a decreased masculinizaion of sexual behaviour such as intromission and mouning, while in wild type mice had typical masculinized sexual behaviour. This suggests that aromatase or the process of aromaizaion is necessary for masculinizaion of the brain. Alzheimer"s disease is diferent for genders and auism.

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