Lecture 5 Infant cognition and language 2012 OULTINE

Lecture 5 Infant cognition and language 2012 OULTINE -...

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Infant Cognitive and Language Development Lecture 5 January 25, 2012
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Summary of video 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 Ø 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 sense an  their motor skills Schemas  = psychological structures that  organize experience How does cognitive change take place? Adaptation  – the process of building  schemas through direct interaction with  the environment § Assimilation  - chn incorporate new info  into existing knowledge systems § Accommodation  - chn change existing  knowledge systems to accommodate new  info
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The Sensorimotor Stage C ircular 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 infants own body. Substage 3  - Secondary circular reactions (4-8  mos) - making and repeating interesting  events in the environment
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Sensorimotor Stage cont. Substage 4 - Coordination of  secondary circular reactions (8- 12 months) § Can engage in goal-directed  behavior § Sign of  object permanence  (objects  exist when we don’t see them); but 
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Lecture 5 Infant cognition and language 2012 OULTINE -...

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