070219 Chapter 3-4

070219 Chapter 3-4 - 2/19 The coverage for this class is in...

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2/19 The coverage for this class is in the prior class lecture notes you were sent plus the following: 1. Blocking Paradigm Experimental Group Control Group Phase 1: A + US --- Phase 2: [A+B] + US [A+B] + US Phase 3: Test B --> no CR Test B --> big CR Blockimg is phenomenon that if one CS (e.g., a light) has already been conditioned to a US, then if add another CS e.g., a tone) to the situation later, then little if any conditioning to the tone will occur. Blocking has been studied most often in conditioned suppression paradigm. This means that a lot of suppression if test with CS-A (light) but littleornosuppression if test with CS-B (tone). 1. Kamin (who used to be Chair of Psychology at Princeton) discovered blocking. 2. His interpretation is that during trials with A+B, the presence of A made the US completely expected or not surprising . In other words, the added presence of B didn’t produce any additional “mental effort” , which is what he thought was necessary for
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This note was uploaded on 04/05/2008 for the course PSYCH 311 taught by Professor Rovee-collier during the Spring '06 term at Rutgers.

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070219 Chapter 3-4 - 2/19 The coverage for this class is in...

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