PSY100Y5 Lecture Notes - Lecture 6: Classical Conditioning, Reinforcement, Aspirin
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PSY100Y5 Full Course Notes
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The russian physiologist pavlov noted that reflexive salivation in dogs could be elicited by stimuli associated with feeding. Reflex: response that is reliably elicited by a stimulus o o. Neutral stimulus is referred to as the conditioned stimulus (cs) Cs is paired with the ucs over many trials. Eventually comes to elicits a conditioned response (cr: resembles the ucr) Extinction: refers to the weakening of conditioning evident when the cs is. Repeated pairings of cs and ucs presented repeatedly without the ucs o. Spontaneous recovery: refers to the reemergence of a cr. Stimulus generalization: when subjects react to similar stimulus o. Occurs when an organism that has learned a response to a specific stimulu responds in the same way to new stimuli that are similar to the original stimulus. Stimulus discrimination: when subject doesn"t react to similar stimulus o. Temporal order of the presentation of cs and ucs is important o o.
