PSY 111 Lecture Notes - Lecture 5: Sex Organ, Puberty

• School: Pace University
• Department: Psychology
• Course: PSY 111
• Professor: Sporin

Document Summary

Lifespan stages include: newborn, infancy & childhood, adolescence, emerging, early, & middle adulthood, late adulthood. Child"s knowledge & abilities increase as it babbles, crawls, tastes, grasps, & interacts w/ objects in environment. Infancy & childhood: gross motor skills: large movements that often involve several parts of the body, sitting, crawling, walking unsupported. 3 months babies have enough muscle control to sit supported in someone"s lap. 6 months babies have enough muscle control to sit. 9 months infants can walk by holding onto someone/something: fine motor skills: small movements, involving fingers, hands, tongue or lips, hand-eye coordination is limited in young infants. 12 months infants can walk independently. 3 months can touch objects, but can"t grab objects efficiently. 4 months babies may overreach an object, or grab too soon or. 6 months infants have mastered grabbing & holding onto unless object is placed directly in their hand. too late. things.