HD 1150 Lecture Notes - Lecture 10: Object Permanence, Eye Tracking, Biological Motion

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201-224 (skip 225-230)--don"t worry about infant mental development. Piaget"s sensorimotor stage: piaget"s theories, circular reactions: Playing with self, playing with toes/fingers, moving body around, sensing/experiencing the world through sensorimotor schema: goal directed actions. Crawling across room to get favorite toy, pointing at things: only at the end: mental representations. Covering an object completely loses the baby"s interest: stage 4: 8-12 months, grabs and pulls cloth away from covered object. Fails a not b: cover w/ first cloth and the baby can retrieve it but cover with second cloth and they can"t find it, stage 5: 12-18 months. Passes a not b, fails invisible displacement: stage 6: 18-14 months. Three month olds surprised by lack of object permanence. If the screen fans all the way backwards then it looks like the fan is passing through the object: results: babies get bored of the habituation in the control condition.

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