PSY 2301 Chapter Notes - Chapter 4: Congenital Disorder, Synaptogenesis, Developmental Psychology
22 Sep 2017
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Chapter 4: at birth, the midbrain and the medulla are most fully developed. (regulates vital functions such as heartbeat and respiration, and attention, sleeping, waking, elimination, and movement of the head and neck) This is called plasticity, the (cid:271)rai(cid:374)"s ability to change in response to experience. Important implications from synaptogenesis and pruning: brai(cid:374) de(cid:448)elop(cid:373)e(cid:374)t follo(cid:449)s, (cid:862)use it or lose it(cid:863), the environment you are raised in plays a major role in your brain development as you grow. Unclear purpose: baby sleeping patterns and cries. Colic- baby cries for no apparent reason for 3 or more hours a day: by age 2, we are half as tall as we will be as adults. Is it the (cid:449)orld"s leadi(cid:374)g (cid:272)ause of death a(cid:373)o(cid:374)g (cid:272)hildre(cid:374) u(cid:374)der (cid:1009): marasmus- when the calorie deficit is severe. Infants weigh less than 60% of what they should and suffer permanent neurological damage.
