KP100 Lecture Notes - Lecture 4: Ossification, Object Permanence, Palmar Grasp Reflex
13 Feb 2018
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Ends with the attainment of independent feeding and independent upright locomotion. Begins to appear around the 4th week of life. Head and neck region first gain control. Level of experience may often be a better predictor than age. Recall: environments can speed up the emergence of some behaviours and suppress behaviours in others . Suppress: slippery floors affect crawling and walking development. Speed up: safe things to pull up on, walking and pushing toys. Growth: observable step-by-step changes in quantity and measurable changes in body. Maturation: qualitative system changes, both structural and functional, in the body"s progress toward maturity. From those points close to the body"s center to those points close to the periphery, or farthest from the body"s center . As a person ages and movement ability begins to regress, the cephalocaudal and proximodistal processes reverse themselves . Includes head control; body control; upright posture: locomotion. Upper and lower body control follow head control.
