4.21 Learning - April 21, 2011 Learning Learning...

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April 21, 2011 Learning Learning fundamentally shapes who we are and how we behave. Learning is a continuous process from in-the-womb onward, taking place in many ways -rudimentary learning: built in organism -leaning through association-classical conditioning -learning through consequence-operant conditioning -learning through imitation-observational learning Learning : a relatively durable change in behavior or knowledge that is due to experience. All organisms learn, because it is necessary for survival. Rudimentary Learning Habituation : repeat neutral stimulus, decreased responses (less likely to happen if stimulus is threatening). Sensitization : becomes more sensitive after threatening stimulus Imprinting : attachment of younger to older animals/birds-not limited to within species Pavlovian and Classical Conditioning Conditioning : learning through forming associations between experiences, extremely simple form of learning, can even take place in the womb Pavlov : studied saliva production in dogs. Noticed dogs would begin to salivate even before the meat powder was presented. Designed an experiment to verify this observation Meat--> saliva Bell --> meat Bell --> saliva Unconditioned stimulus (UCS) : a stimulus that provokes an unconditioned response without previous conditioning (example: meat) Unconditioned response (UCR) : an unlearned reaction to that occurs without conditioning a reflex (example: salivating) Conditioned stimulus (CS) : a previously neutral stimulus that has acquired meaning through conditioning and the capacity to evoke a response (example: bell) Conditioned response (CR) : a learned reaction that occurs because a previous conditioning
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This note was uploaded on 02/09/2012 for the course PSYCH 110 taught by Professor Finkel during the Fall '08 term at Northwestern.

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4.21 Learning - April 21, 2011 Learning Learning...

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