EDUC 107 Chapter Notes - Chapter 4: Central Nervous System, Secondary Sex Characteristic, Impleader
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List and briefly describe the three general principles of physical growth. Directionality- refers to how body proportions change; cephalocaudal mean advancing from head to tail, and proxodistal means progressing from the center to the body outward. Baby"s can look around sooner than they can walk. Independence of system- a principle of development that asserts that different parts of the body develop along different timetables. For example the brain has matured 50% by the time it"s a baby, and its secondary sexual characteristics wont into puberty. Canalization- development tends to follow, and return to, a normative course. There is standard set for a healthy baby by looking at the average height of people. Individual differences are the variation among individuals on a characteristic. The brain is no different it also acts in context like everything else. It directs the development of the little baby. b.
