PSY 220 Lecture Notes - Lecture 12: Senile Plaques, Aging Brain, Teratology
30 Jan 2020
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Exam #2 lecture notes (chapter 4,5,8,11, activity #6, rg #2) Transmission of signals by atrophied neurons is less effective: most loss: areas controlling sensory and motor activities. Lose in brain weight and volume: declines in levels of neurotransmitters, formation of senile plaques , reduced blood flow to the brain, principles of growth, cephalocaudal. From the center outward to the extremities: orthogenic. Development starts globally and undifferentiated and proceeds toward hierarchical integration and differentiation. Ex. one singular cells glob of cells becoming more complicated in an organized & hierarchical way. Infants whose overall weight gain outpaces gains in height are at risk of childhood obesity: newborn capabilities, reflex: Unlearned, involuntary response to stimuli: survival reflexes are adaptive. 2: not the case for hispanic or asian families (more so for white and black families) . Figure 5. 8: the adolescent - the growth spurt, triggered by an increase in the level of growth hormones.
