Object knowledge in contrast to piagets description

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Unformatted text preview: rocesses may be responsible for much of what has been described as cognition in infancy 12 5/29/13 A. Object Knowledge   In contrast to Piaget’s description of the development of object permanence   The majority of the evidence is based on research using the violation-of-expectancy procedure -showing the baby something that they arent expecting to see -a great deal of evidence now indicates that young infants are in fact able to mentlly represent -Bailargeon and her colleagues have used this technique to establish that infants as young as 3.5 mos of age look longer at an "impossible" event than at a possible event B. Physical Knowledge   Knowledge of gravity begins in the first year. -infats have been shown to look longer at objects that violate expected motion trajectories   Infants also gradually come to understand under what conditions one object can support another. this gradually refined understanding of support relations is presumed to result from experience C. Social Knowledge     Infants must acquire knowledge about people and their behavior. -distinguishing animate and inanimate entities -knowing that the behavior of others is purposeful and goal directed By the end of their first year, infants have learned a great deal about how people’s behavior is related to their goals and intentions.   Suggesting very early precursors of theory of mind , 15 mos olds can make inferences about what a person will do bsed on the knowledge of what the person knows 13 5/29/13 Understanding Intentions   Infants may attribute intentions and goals to inanimate entities as long as they “behave” like humans. -infants who see a human arm repeatedly reach for an object in the same location assume that the action is directed toward the object, not the place -they looked longer when the hand went to the new object in the old place, than when it reached for the old object it had reached to before -in one study 12 and 15 mos olds were introduced to a faceless eyeless brown blob that "vocalized" and moved in response to what the infant or experimenter did, thus stimulating a normal human interaction -subsequently, when the blob turned in one direction, the infants looked in their direction -they didnt behave this way with a blob whose behaviour wasnt contingently related to their own Attributing Dispositional States   Twelve-month-olds also seem able, like adults, to attribute dispositional states. -infants watched a film that adults interpret as a ball "trying and failing" to get up a hill as it is being "helped" by a triangle being "blocked" by a square -subsequently, with just the 3 shapes on the screen, infants looking behavior indicated that they expected the ball to approach the helpful triangle while avoiding the hindering square D. Looking Ahead   Although research on infant cognition has produced a wealth of fascinating findings, this information has not resolved the basic issues of how cognition develo...
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