neuraldev2_17bb

neuraldev2_17bb - Sexual differentiation Structural changes...

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Structural changes Larger brains SCN Amygdala Medial Pre-optic area Sexually Dimorphic Nucleus MALES vs. females Correlated with T levels Delete male sexual behavior in all mammals INAH (interstitial nuclei of anterior hypothalamus) INAH-1 = SDN INAH-2, INAH-3 = 2-3X Males to Females Sexual differentiation
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Male Female
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Review _________ is the default developmental pathway. Female At least in rats ________ is critical for the masculinization of the brain. Estrogen (remember TEST is converted to Estrogen in the brain). There are structural changes in the brain differentiating males and females? Yes What are they?
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What is the importance of these 2 substances?
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Teratogen Disturbs development of embryo or fetus Worst : Last half of intrauterine period and the first few months after birth “Better”: First few years after birth More resilient to deficits
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This note was uploaded on 02/24/2011 for the course PSYC 460 taught by Professor Lawrence during the Spring '10 term at South Carolina.

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neuraldev2_17bb - Sexual differentiation Structural changes...

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