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LEC 6-Learning

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University of Toronto St. George
Michael Inzlicht

Learning z refers to an enduring change in the way an organism responds based on its experience distinct from drug effects, fatigue or illness z three assumptions of learning theories responses are learned rather than innate learning is adaptive our experiments can uncover the laws of learning Classical Conditioning z Pavlov noted that reflexive salivation in dogs could be elicited by stimuli associated with feeding z Reflex is response that is reliably elicited by a stimulus Food elicits salivation Air puff elicits eye blink z Reflexive stimulus and response are unconditioned z Neutral stimulus is referred to as the conditioned stimulus (CS) z CS is paired with the UCS over many trials z Which eventually comes to elicit a conditioned response CR resembles the UCR Acquisition and Extinction z Acquisition of classical conditioning z repeated pairings of CS and UCS z Extinction refers to the weakening of conditioning evident when the CS is presented repeatedly without the UCS z Spontaneous Recovery: refers to the reemergence of a previously extinguished CR Stimulus Generalization and Discrimination z Stimulus Generalization occurs when an organism that has learned a response to a specific stimulus responds in the same way to new stimuli that are similar to the original
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