Lecture6Cognition - SPC 103 Developmental Psychology...

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1 SPC 103: Developmental Psychology Department of Psychology School of Health and Natural Sciences Sunway University College Year 1 Semester 3 Lecture 6: Physical & Cognitive Development in Early Childhood Physical Changes Body growth and change Height: Average growth is 2.5 inch p/ year Weight: 5-7 pounds p/year (less for girls than for boys) Variations: Genetics Nutrition Prenatal problems Experiences SES Brain In early childhood, brain growth is not as rapid as in infancy Changes in child’s brain structure: Increase in number and size of dendrites (nerve endings) Increased myelination better focus, coordination Increased dopamine concentration and most rapid growth in frontal lobe during ages 3 to 6 years More research is needed to chart connections between cognitive development, brain structure, and information processing Gross Motor Development Age 3: Simple run-and-jump movements What can they do? Age 4: Child is more adventurous What can they do? Age 5: Child is self-assured taking hair-raising risks What can they do?
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2 Fine Motor Skills Age 3: Picks up tiniest objects but still a little clumsy Big puzzles, high crooked tower blocks Age 4: Has trouble building high towers with blocks
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