PSY * D112 Lecture Notes - Lecture 2: Oneword, Abstraction, Egocentrism
Document Summary
8. 6 describe the physical and sensory changes that take place in infancy and childhood. Five reflexes babies are born with for survival: Touch, taste, and smell are well developed by the time a baby is born. Hearing is functional but not fully developed. Vision is least developed: rods and cones take about six months to fully develop. A visual cliff was designed and used to see if babies have the ability to perceive depth. 2-4 mos. baby will be able raise chest and head. 2-5 mos. baby will be able to roll over. 4-6 mos. baby will be able to sit up with support. 6-7 mos. baby will be able to sit up without support. 7-8 mos. baby will be able to crawl. 8-18 mos. baby will be able to walk. 8. 7 compare and contrast the physical and sensory changes that take place in infancy and childhood. Piaget says children are not little adults but think quite differently.
