Temp - InfantLearning Learning EarlyLearning(NovelItems...

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Infant Learning
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Two Types of Declarative  Learning Early Learning (Novel Items) No prior knowledge available.  Must  construct representation of some part of  the world from perceptual input. Infants are necessarily early learners. Mature Learning (Familiar Items) Elaboration of prior knowledge, i.e.,  elaboration of semantic network.
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0 – 6 Months Infants like to look at faces and are born with  emotional (happy, sad, angry, distressed) and  social knowledge. At birth, infants can suck, move their eyes  and head from side to side to look at objects,  and kick. At 3 months the visual system can encode  faces At 3 months an infant can remember an  action that she cannot yet perform 
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Mobile Task Most of what we know about infant  learning and long-term retention comes  from the fact that an infant will kick to  move a mobile. This is the basis of an experimental  paradigm measuring what the infant  learns
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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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Durations of Session  Components Baseline – 1 or 2 min Acquisition – 4 or 6 min Immediate Retention Test – 30 sec or 1  min
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Infant Memory Task To test infant  memory  for having been  able to move a mobile by kicking, the  infant must be tested when his foot is  not  connected to the mobile. Kick rate at test is compared with kick  rate prior to training when the infant’s  foot was also not connected to the  mobile.
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Effect of Study Variables on  Retention Interval in Mobile Task – 3- 6 Months 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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Retention interval is a function of age (2  sessions 24 hours apart) For children 6-months and up pressing a button makes a train move
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