Psychology 1100E Lecture Notes - Lecture 26: Synaptogenesis, Myelin, Synaptic Pruning
2 Mar 2019
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Prenatal 7-8 months hearing and listening. Young infants especially attentive to voices. Infants look longer to hear pleasant pitch change. Newborn infants experience vision at their least mature sense. Tend to track faces rather than other patterns, more attuned to faces than other visual stimuli. Motor skills evolve in definitive, stage-like sequence. Biological, natural processes that govern our growth. Develops in a cephalocaudal direction (head to toe) and a proximodistal direction (from the center outward) Most infants start walking around their first birthday. Timing of motor milestones are not predictive of intelligence. Eminent research on depth perception an wariness of heights. 90% of crawling infants would not cross the deep side (gibson & Last 3 prenatal months and first 2 years brain growth spurt. Prenatally, the brain is the fastest growing organ. Brain possesses all major structures at birth. Myelin sheath increases speed of neural impulse transmission. Rapid myelination during first years of life.
