HDE100a midterm

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HDE100a midterm
2011-12-03 22:37:04
HDE100a final UCD

HDE 100A final
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  1. rate of growth during 2nd year
    • -accelerated myelination in cerebral cortex
    • -myelinations of connection within cerebral cortex
    • -maturation of brain areas roughly equal except for PFC
    • -rate of growth is slower than during the first year
    • height 29-38 inches weight 20-33 lbs
  2. major brain area undergoing synaptogenesis during age 2. What new behaviors emerge?
    • the frontal lobe
    • -perceptual, locomotor, manual dexterity, control of elimination
    • -new modes of though-symbolic thought, problem solving, pretend play, pictures and models

    • prefrontal cortex
    • -social behaviors: less distress at separation, sense of self, accept adult standards, secondary emotions
    • -behavioral coordinated walking, manual dexterity, coordidnation of fine skills. control bladder and bowl, complex and planned problem solving, symbolic representation.
  3. piaget's sensorimotor substages 5
    • substage 5-tertiary curcular reactions ( 12-18 months)
    • -ability to vary actions of substage 4 (engage in behavior towards acheiving a goal) systematical and flexibly
    • -experiments in order to see: children are trying to find out about nature of objects and events. still using trial and error.
    • -infants still can't reason systematically about actions and anticipate the consequences
    • -passed a not be test but failed if distracted, will still look in the original place
  4. piaget's sensorimotor substage 6
    • representation (18-24 months)
    • babies base actions on internal mental symbols of experience
    • solve problem systematically vs. trial and error
    • engage in symbolic play and fantasy play
    • enables deferred imitation
    • pass A-not-B test
    • able to antipate trajectory of moving object that has disappeared behind a barrier