PSYC 2330 Lecture Notes - Lecture 3: Methylphenidate, Dopaminergic, Nicholas Mackintosh
15 Dec 2015
School
Department
Course
Professor
Document Summary
The rescorla-wagner model: the model is a mathematical expression of surprise, learning will occur only when the subject is surprised - that is, when what happens is different from what the subject expected to happen . Blocking: 2 groups of rats- one group is the blocking, one is the control. Control: l= light, t= tone, this experiment is important because it shows that: T: conditioning is not an automatic result of cs-us pairings, for conditioning to occur, he cs must be informative and the us surprising. Vn = strength of the association at the beginning of trial n. Vn = change is the strength of the association produced by trial n. V = associative strength between cs and us. Explanation of blocking using the rescorla-wagner model: when two css are used (a & b), the association or expectation at the beginning of a trial would be the sum of the strengths of each of the stimuli present.
