CPSY 4343 Lecture Notes - Lecture 8: Cognitive Development, Object Permanence, Logarithmic Scale

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11 Oct 2016
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The great debate: stagelike development, continuous development. Cognitive development describe general sequence, then explain (natural biases, innate expectations, sociocultural input, learning: object permanence- objects exist even when not in view. For piaget, conceptual understanding emerges from sensorimotor development. First 2 su(cid:271)stages, infants" a(cid:272)tions in(cid:448)ol(cid:448)e their o(cid:449)n (cid:271)ody. Primary circular reactions: repeating actions that are pleasurable (1. e. , thumb sucking) Substages 3,4,5 and then substage 6 (18-24 months): Representational thought: object permanence, language, pretend play. Look longer at passing car when block is on the tracks. Infants will look longer when car passes with block on tracks because if they have object permanence they think the block will still be on the tracks: baillargeon, needham & devos- finding depending on age: For 3 months old any amount of contact is sufficient to ensure support. By 6. 5 months, infants estimate amount of contact needed to predict support.

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