2-20-07 InfantMemAndLanguageLrngHO

2-20-07 InfantMemAndLanguageLrngHO - Cognition Infant...

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Cognition Infant Memory and Language Learning February 20, 2007
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Method Without operant contingency there is no learning Long-Term Retention Test = Baseline Baseline Ratio Long-term Retention Test = Retention Immediate Ratio Retention Test Reinforcement No Reinforcement
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Infant only kicks to exactly the same mobile The effect of changing the size of the training character by 33% on the magnitude of delayed recognition 24 hours after training for 3-month olds.
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Retention interval is a function of age For children 6-months and up pressing a button makes a train move
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Retention interval is a function of length of training session 3-month olds
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Retention interval is a function of number of sessions 3-month olds
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Distributed learning is superior to massed learning 3-month olds recognition test 8 days after day 0 Days of training sessions
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Retention Interval Retention interval is a function of: training session duration number of training sessions interval lengths between sessions Hence retention interval is a function of the number of repetitions and the intervals between repetitions
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Forgetting: Initially infant kicks only to training mobile. At the end of the retention interval the infant also kicks to novel mobile
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Changing either the mobile (cue) or liner (context) eliminates recognition
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Observation After six months, an infant can learn through observation that a glove on a puppet may contain a hidden bell.
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Skinnerian Model Event Environment Result
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Conclusions Operant learning is the result of feedback from a voluntary action (Intentional loop). Distributed repetition is superior to massed repetition for learning Visual memory is detailed and specific (Effect of context)
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Early language learning Evolution of language Stages of language learning October 19, 2005
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Foundations of Language 1 There must be perceptual and motor systems that make communication possible. Perceptual systems
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2-20-07 InfantMemAndLanguageLrngHO - Cognition Infant...

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