PSYCH 250 Lecture Notes - Lecture 6: Childhood Obesity, Brain, Mental Chronometry
Document Summary
Physical growth: body growth and change. Avg. growth is 2. 5 inches and 5-7 inches: cephalocaudal principle. 3 year olds have large heads and round bodies. With age, limbs get longer and bodies thin out: growth slows. Weight and height double btw 2 and 12 years. Motor development: gross-motor skills: involve large muscles. Ex: pump swings, climb ladders, ride tricycle, thrown and kick ball: fine-motor skills: involves small coordinated movements. Ex: self-help, dressing, eating, drawing, painting: children must stay active to develop gross and fine motor skills, child injury: one of the primary causes of death in young children. Brain development: continuing development of brain and nervous system. Increasing brain maturation linked to emerging cognitive abilities. Most rapid growth in the prefrontal cortex from 3-6 years: advances in brain function. Reaction time: time it takes to respond to a stimulus, either physically (w/ a reflexive movement) or cognitively (w a thought: motor ability improves with:
