Psych 132 3-26-08

Psych 132 3-26-08 - Psych 132 3-26-08 Who spends the most...

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Psych 132 3-26-08 Who spends the most time in REM sleep – babies…least – old people Insulin secreted by – pancreas Extra Credit – 1) What do you know about Williams syndrome?? 2) what was good about the film shown in class 3) what was not so good about the film. 1 to one page Due next Monday march 31 Hypothalamus – CNS ‘center’ for regulating ‘motivated’ behavior in party by controlling the pituitary gland Hormone (chemical signal) released by pituitary act at other endocrine glands throughout body - genes are found on chromosomes o Chromosomes are double-stranded DNA – 23 pairs o Each chromosome contain thousands of genes o Chromosome 23 – xx – girl, xy – male Chromosome 23 - During the first 6 weeks of human life, no sexual differentiation - The a gene on Y chromosome (SRY [sex-determining Region Y] gene) starts producing a hormone “testis-determining factor” or SRY hormone - This causes some cells to become testes and produce testosterone - Without SRY gene, those same cells become ovaries…if individual is XY and the
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Psych 132 3-26-08 - Psych 132 3-26-08 Who spends the most...

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