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Exploring Lifespan Development

Exploring Lifespan Development. Chapter 4 Physical Development in Infancy and Toddlerhood. Body Growth. Gain 50% in height from birth to age 1. 75% by age 2 Grow in spurts. Gain “baby fat” until about 9 months, then get slimmer Girls slightly shorter and lighter than boys. .

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Exploring Lifespan Development

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  1. Exploring Lifespan Development Chapter 4 Physical Development in Infancy and Toddlerhood

  2. Body Growth • Gain 50% in height from birth to age 1. • 75% by age 2 • Grow in spurts • Gain “baby fat” until about 9 months, then get slimmer • Girls slightly shorter and lighter than boys.

  3. Changes in Body Proportions

  4. Cephalocaudal “Head to tail” Lower part of body grows later than the head Proximodistal “Near to far” Extremities grow later than head, chest, and trunk Growth Trends

  5. Major Milestones ofBrain Development

  6. Regions of the Cerebral Cortex

  7. Left Hemisphere Sensory information and control of right side of body Verbal abilities Positive emotion Sequential, analytical processing Right Hemisphere Sensory information and control of left side of body Spatial abilities Negative emotion Holistic, integrative processing Lateralization of Cerebral Cortex

  8. Changing States of Arousal • Sleep moves to an adult-like night-day schedule during the first year. • Sleep needs decline from 18 to 12 hours a day by age 2. • More Americans are co-sleeping. http://www.nd.edu/~jmckenn1/lab/

  9. Benefits of Breastfeeding • Correct fat-protein balance • Nutritionally complete • Better growth • Disease protection

  10. Imitation • Newborns have ability to imitate • Reflex or voluntary capacity? • Mirror neurons offer biological explanation • Powerful means of learning • Helps facilitate positive relationships

  11. Motor Skills as Dynamic Systems • Increasingly complex systems of action with each skill • Each new skill is joint product of: • CNS development • Body’s movement capacity • Child’s goals • Environmental supports

  12. Milestones in Face Perception

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