11 early social dev - 3/7/11! Early cognitive development!...

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3/7/11 1 7 Early cognitive development • Piaget: learn about the world by acting on it and perceiving regularities • Ontogeny of numerosity –Do infants possess a sense of numbers? –Wynn (abstract logic) vs. ClearFeld (perception) • Use of numbers and counting –Ritual vs. understanding 8 Early cognitive development • Cognitive development and tool use –Blanket study (Woodward) –Spoon study (Keen) –Handrail study (Adolph) 9 Development of the object concept • Piaget –Emerges at approximately 8 months –Hidden object search –“A not B” test 10 Challenges to Piaget • Baillargeon and perception of “impossible events” –“Violation of expectancy” paradigm –Habituation test: object placed behind screen, then screen rotates up and into the object • Infants as young as 3.5 months (!) will dishabituate if screen moves through the object 11 Problems with the “superbaby syndrome” • Reply to Baillargeon: Cohen and Bogartz studies –Habituation = training! ±amiliarity matters!
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This note was uploaded on 06/01/2011 for the course PSYCH 2090 taught by Professor Goldstein, m during the Spring '07 term at Cornell University (Engineering School).

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11 early social dev - 3/7/11! Early cognitive development!...

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