PSY 256 Lecture Notes - Lecture 11: Cognitive Bias, Deductive Reasoning, Imaginary Audience
Document Summary
Puberty: girls reach puberty two years before boys (12 and 14, hormonal changes begin. Testosterone and estrogen: health and timing. Girls are beginning puberty earlier: due to more access to food and nutrients. Girls nish at 16 boys 17: proportions. Reverse of earlier: increase in fat on arms legs and trunk for girls. Decrease in boys: gains in gross-motor performance level off around 14 years for girls. Brain development: pruning of unused synapses in cerebral cortex. Unused synapses just take resources: accelerated growth/myelination of used synapses. Not even in all places of the brain. Tuesday, february 21, 2017: reward and self-control. Reward before self-control: changes in sleep regulation. Estrogen: maturation of breasts, vagina and uterus, accumulation of fat, beginning of menstruation. Androgens: tester one promotes muscle growth and body/face hair. Involve the reproductive organs: secondary sexual characteristics. Breasts, underarm, pubic hair and facial hair. Female sexual maturation: sexual maturation is delayed until peak of height spurt, menarche.
