110Lecture6Handout

110Lecture6Handout - Lecture 6: Motivation and affect in...

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Unformatted text preview: Lecture 6: Motivation and affect in excitatory conditioning Reprise What is learned in excitatory conditioning? S-R theory Stimulus substitution theory Predictions and tests Form of the CR Konorski s theory of excitatory conditioning the ideopathic US the protopathic US BUT: Is all learning S-S? Note that the text book argues on p.77: According to modern thinking about classical conditioning, conditioning typically produces an association between the CS and the US, although S-R learning does sometime occur (e.g. Rizley & Rescorla, 1972; see also Chapter 10) Why? What is Bouton referring to? Rizley & Rescorla (1972) 2 1 US UR/CR Phase 1: Lever press for food Light --> Shock Phase 2: Tone --->light Phase 3: Gp E: Light - Gp N: (no treatment) Phase 4: test: suppression to light (S1) seppression to tone (S2) .1 .2 .3 .4 .5 S1 S2 Gp E GpN Session (S2) Suppression ratio S-R? (more later) Rashotte, Griffin & Sisk (1975) Pigeon key-pecking on a second-order schedule: 100 50 Sessions 2 100 50 1 P - P - P P - P - E S1: 6-sec white key light S2: 6-sec blue key light Phase 1: S1 - US Phase 2: S2 - S1 Manipulation of S1: Gp P-P-E: S1- Gp P-P-P: S1 - US Phase 3: test 1: S1, S2 RE-Manipulation of S1: Gp P-P-E: S1 - US Gp P-P-R: S1 - US Phase 4: test 2: S1, S2 phase 2 test 1 test 2 2 1 US These observations strongly support one critical prediction of Pavlov s stimulus substitution theory: [1] the CR depends upon connections between the CS and US not the CS and UR....
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This note was uploaded on 04/21/2009 for the course PSYCH 110 taught by Professor Fanselow during the Spring '06 term at UCLA.

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110Lecture6Handout - Lecture 6: Motivation and affect in...

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