Lecture 5- Infant Cognitive and Language Development

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

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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 senses and  their motor skills Schemas  = psychological structures that  organize experience (ie. Young infancy. A  schema could be the grasping reflex. Ie.  Schema for a bday party. Baby realizes  what bday party is. Play some games, eat  cake, open presents, go home).  How does cognitive change take place? Adaptation  – process of building schemas  through direct interaction with the envir. § Assimilation  - children incorporate new  info into existing knowledge systems § Accommodation  - chn change existing  knowledge systems to accommodate new 
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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 (ie. Baby will  suck her thumb); 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 (ie.  Baby accidently puts pinky in her mouth  and starts sucking it. Continues to do this).  Substage 3  - Secondary circular reactions (4-8  mos) - making and repeating interesting  events in the environment (ie. Focus moves  from baby’s own body to envir. Baby may  kick a mobile again and again—pic. To the 
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Sensorimotor Stage cont. Substage 4 - Coordination of  secondary circular reactions (8- 12 months) (ie. Baby will pick up  spaghetti and throw it on the  floor. Coordinating the 2  actions). § Can engage in goal-directed 
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This note was uploaded on 02/15/2012 for the course PSYCH 250 taught by Professor Ward during the Winter '08 term at University of Michigan.

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

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