PSYCH 1100 Lecture Notes - Lecture 9: Reinforcement, Classical Conditioning, Systematic Desensitization
2 Sep 2016
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Document Summary
Learning- a relatively permanent change in behaviour, or thought as a result of experience. Classical conditioning- a type of learning in which an organism comes to associate stimuli. Operant conditioning- a type of learning in which behaviour is strengthened if followed by a reinforcer or diminished if followed by a punisher. Unconditioned stimulus (us)- a stimulus that automatically triggers a response. Unconditioned response (ucr)- the unlearned, naturally occurring response to the conditioned stimulus. Conditioned stimulus (cs)- an originally irrelevant stimulus that, after association with an us, comes to trigger a cr. Conditioned response (cr)- the learned response to a cs. Extinction- lessening of a cr, when us does not occur after a cs. Spontaneous recovery- the reappearance of a cr, when us does not occur after a. Generalization- the tendency for stimuli similar to the cs to elicit similar crs. Discrimination- the learned ability to distinguish between a cs and stimuli that do not signal an us.
