Lecture+5 - Infant Cognitive and Language Development...

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Infant Cognitive and Language Development Lecture 5 January 22, 2008
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Reminder Exam 1 next Tuesday Sixty questions (each worth 1 point) Two bonus questions Review sheet posted on Thursday night Sample questions posted on Thursday night Also, Thursday’s lecture will cover article for paper option #1.
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Summary of video (from Lecture 4) In infancy (but not adulthood), a cataract must be quickly removed; “good” eye must be patched Otherwise the “good” eye takes over most of the visual cortex With the patch, the repaired “bad” eye can send signals to the visual cortex and strengthen connections Visual experience, particularly in infancy, sculpts the brain Visual Development and the Brain
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Overview Cognitive development Piaget’s Sensorimotor Period Revisions to Piaget Video Language development Major theories – nature vs. nurture Interactionist approaches Video
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Piaget’s Cognitive-Developmental Theory Sensorimotor stage (0-2 yrs) - infants learn about the world through their 5 senses and their motor skills Schemas = psychological structures that organize experience How does cognitive change take place? Adaptation - process of building schemas through direct interaction with the environment Assimilation – chn incorporate new info into existing knowledge systems Accommodation – chn change knowledge systems to accommodate new info
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The Sensorimotor Stage Circular reactions – repeated actions used to learn about physical reality Substage 1 - Reflexive schemas (birth to 1 month) - exercising reflexes; the building blocks of sensorimotor intelligence Substage 2 – primary circular reactions (1-4 mos) – repetitive actions done by accident ; oriented towards infant’s own body Substage 3 – secondary circular reaction(4-8 mos) – making and repeating interesting events in the environment
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Sensorimotor Stage cont. Substage 4 - Coordination of
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Lecture+5 - Infant Cognitive and Language Development...

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