PS261 Lecture Notes - Lecture 4: Classical Conditioning
Document Summary
First model to try and explain classical conditioning, mathematical ormula. Idea of model was sparked by blocking phenomenon which is taken as evidence that just pairing a. Cs and us is not sufficient to produce learning. A weak cr will be evident on the trial when the greatest amount of learning occurred. Basis of model: to produce learning the us must be surprising, a strong cr occurs when the us is highly expected. The rescorla wagner model"s objective is to make predictions about the changes in the strength of the cs-us association (the cr) over the course of conditioning. V = change in strength of the cs-us association k = constant between 0-1 that represents salience of the cs and us, closer to 1 = more salient. = magnitude of the us and maximum strength of the cs-us association, will be bigger with a bigger us, cs can never elicit a stronger response than us.
