PSYC 273 Lecture Notes - Lecture 8: Myelin, Synaptogenesis, Marasmus
Document Summary
Myelin sheath: protective coating on the axon that allows for faster commun. Space is made for synapses by killing neurons (at birth, body makes more neu. If a skill is not being reinforced, that synapse dies. Head and brain development grow faster than the development of the rest o. When children are born they have large brains compared to the rest of the bo. Lower part of the body grows later than the head. Areas like the trunk, arms are going to develop faster than things like hands an. Extremities grow later than the head, chest, trunk. Gross motor milestones rhood unication along the nerve cells neurons than you need) st of the body e body ds and feet. Having the baby be in different positions allows them to gain motor capacities vs them be. Baby"s ability to track an object w/ eyes. Baby may start to smile spontaneously (around 2 months)
