PSYC 2013 Chapter Notes - Chapter 5: Cochlear Implant, Colostrum, Pincer Movement
Document Summary
Chapter 5: the first 2 years: biosocial development (pg. Body changes: medical checkups: height and weight measurement, and head circumference, provide the first clues as to whether an infant is progressing as expected or not, body size. Newborns lose several ounces in the first 3 days and then gain an ounce a day for months following. Birthweight typically doubles by 4 months and triples by a year. Average 7- pound newborn will be 21 pounds at 12 months. Height increases: typical baby grows 10 inches in a year. Physical growth then slows: most 24-month old children weigh 28 pounds and have added another 4 inches or so: 2 year olds: are half their adult height and about 1/5 their. Percentile- in each well-(cid:271)a(cid:271)(cid:455) (cid:272)he(cid:272)kup, g(cid:396)o(cid:449)th is (cid:272)o(cid:373)pa(cid:396)ed to the (cid:271)a(cid:271)(cid:455)"s adult weight (4x heavier than they were at birth) previous numbers. Number is expressed from 0 to 100, which indicates where an individual ranks on a certain measure.
