P11B+Slides+16--Current+findings+in+cog+devl

P11B+Slides+16--Current+findings+in+cog+devl - Cognitive...

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Cognitive Development: Current Findings
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Today Executive function (also known as executive control) Current findings on reasoning in infancy, childhood, and adolescence What Piaget got wrong; what he got right 2
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Current findings Most of Piaget’s findings have held up Some of his explanations for his findings were wrong He underestimated the importance of executive control processes 3
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Prefrontal Cortex Foremost part of the frontal lobes One of the last areas of the brain to fully develop Involved in executive control processes 4
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Executive control processes Sustaining and directing attention Maintaining information in working memory Coordinating goal-directed behavior Inhibiting irrelevant or inappropriate behavior, thoughts, or emotional impulses Thinking through future consequences of behaviors Taking another’s perspective 5
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Myelination As the brain develops, the axons of neurons become coated with myelin An electrical charge (action potential) travels much faster on a myelinated neuron than on a non-myelinated neuron There is a rapid increase in myelination of the prefrontal cortex during adolescence but this process is not complete until the early 20s! 6
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Sensorimotor Stage According to Piaget object permanence is not fully attained until the end of the sensorimotor stage It can be seen in preliminary form around 8 to 12 months 7
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Habituation Procedure Show infant something Habituation : Infant looks until bored, then looks away Dishabituation : When infant perceives something new, he/she shows interest again
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This note was uploaded on 12/04/2010 for the course PSYCH PSY BEH 11 taught by Professor Garyrichardgermo during the Fall '10 term at UC Irvine.

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P11B+Slides+16--Current+findings+in+cog+devl - Cognitive...

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