PSY260H1 Lecture Notes - Lecture 4: Substitution Model, Homeostasis, Mortality Rate
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PSY260H1 Full Course Notes
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If it is the first time, you have no expectation, vsum = 0. As learning processes, stimuli become better predictors, we are able to make perfect prediction of what is going to happen. So the value of (lamda vs) goes from big to small, as the surprising of us decrease. There is limited amount of learning that us will support. The model captures that if there is one stimulus that predicts, you will learn about one stimulus. If there are stimuli predict, you will learn about three stimuli. How much you learn about the stimuli will depend on the salience of the stimuli. If these stimuli are at different saliences, you may learn very well about the most salient stimuli and learn little about the least salient stimulus. Factors that contribute to the nature of the conditioned response. Pavlov"s stimulus substitution model: the cs becomes a surrogate of us and activate similar neural circuits to the us.
