C&L-H exam 2 key 2007

C&L-H exam 2 key 2007 - 1 830:311H Rovee-Collier Exam 2...

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830:311H Rovee-Collier Exam 2 Name (Print)_____________________________ Answer in the space provided. 1. Pavlov said all learning was permanent, but the R-W model said it was not. Discuss the evidence from research on extinction that supports Pavlov's argument. 1. Primacy vs. recency ( class discussion ) The subject learns a CS-US relation first, and then he learns a CS-NO US relation second. After short test delays , subjects retrieve the most recently learned information; this recency effect is often attributed to retroactive interference . It is a well-documented fact that subjects then revert to exhibiting the first learned information after long test delays —a primacy effect . This primacy effect is the basis for saying “first impressions count the most” or “it’s important to make a good first impression”. ... 2. Spontaneous recovery Spontaneous recovery shows that original learning is still intact after extinction because you see a resurgece in conditioned responding despite prior extinction. 3. Renewal effect If extinguish in a different context; test in original context or a novel one after extinction is complete, you see recovery of CR . So orig learning in acquisition was not eliminated by extinction—rather, it was inhibited in the extinction context. Bouton proposed that the removal of extinction retrieval cues rather than the presence of acquisition retrieval cues accounts for the renewal effect. 4. Reactivation/reinstatement . Exposure to the US alone restores conditioned responding without additional training. 5. Savings . Despite prior extinction, reacquisition of conditioned responding is faster than original acquisition. 2. The terms reactivation and reinstatement are often used interchangeably. Are they equivalent? Why or why not? What is the general significance of reinstatement and reactivation for the field of memory? (This is a SO WHAT? question.) 1. Are they equivalent? a. Reinstatement and reactivation differ procedurally. 1. React is usually given after forgetting and alleviates it, whereas reinst is usually (but not necessarily) given before forgetting occurs and forestalls it. 2. Reinst is a brief partial training trial ( active retrieval ), whereas react is just looking at the reminder ( passive retrieval ) b. Reinstatement and reactivation also differ functionally. 1. reinst is more powerful and extends memory exponentially; react just resets memory--or doubles it.
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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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C&L-H exam 2 key 2007 - 1 830:311H Rovee-Collier Exam 2...

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