17_Short-term+Retrieval-1

17_Short-term+Retrieval-1 - Retrieval Retrieval Failure in...

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Retrieval
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Retrieval Failure in Infancy
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The Time Course Of Retrieval In 3-month-old Infants Train 3-month-old infant to kick at a mobile. Remind infant of mobile 13 days later. Wait, then bring back mobile: 15 minutes: Nothing. 1 hour: Again nothing. 8 hours: Still nothing. 24 hours: A little kicking. 72 hours Same amount  of kicking as in training!
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Reminding
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The Time Course Of Retrieval In Infants Time to retrieve the memory after a reminder.  3 month-old: 72  hours  6 month-old:        4  hours  12 month-old:     < 1   second
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Long-term Retrieval in Infancy A 3-month-old takes 3 days to  completely retrieve the memory of a  mobile not seen for two weeks, but a  one-year-old retrieves the same  memory in less than a second.
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Retention Interval for a Reminder A reminder is as effective as the original  training
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Learning & Reminding
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Stages for a Recognition Judgment Feature Analysis Stage. Comparison Stage. Decision Stage. Vision Hearing Occipital Cortex Temporal Cortex Medial temporal Cortex: Limbic system  +  thalamus  +  surrounding   cortex Temporal Cortex                  Prefrontal   cortex
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Recognition is a complex decision based on more than one type of knowledge Know Judgment Short-term: perceived recency Long-term: perceived familiarity Pure instrumental judgment? Remember Judgment Retrieval of image or narrative of episode Same as recall? Both instrumental and habit systems contribute
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Contextual judgment. A sense that an object or event was at a particular place. Temporal judgment (having to do with  time). Short-term: Recency: Have you just seen this? Long-term: Familiarity/Novelty: Have you seen this 
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This note was uploaded on 11/17/2011 for the course PSYCHOLOGY 830:303 taught by Professor Staff during the Fall '10 term at Rutgers.

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17_Short-term+Retrieval-1 - Retrieval Retrieval Failure in...

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