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Chapter_3_outline_pp_82_90

Chapter_3_outline_pp_82_90 - Chapter 3 pp 82-90 Scarlett...

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Chapter 3 pp. 82-90 Scarlett Bowes Pavlovian Conditioning—Contiguity or Contingency? Contiguity —associations formed between stimuli that are experienced together in space and time Contingency -- Classical conditioning seems to be most effective when the organisms is able to predict upcoming events based upon cues Distributed (Massed) Practices : doing something continuously for several hours Spaced Practices : short intervals with rest periods (superior for learning) Blocking —continued pairing of initial CS blocks the formation of association with another CS—therefore, continguity cannot explain this Unblocking --the same procedure occurs but when the second CS is presented, the US is also changed Rescorla-Wagner model --the CS-US will not be successful unless a contingency is present (i.e.when blocking occurs and there is no contingency, the association is not learned) Comparator theory --in blocking, the CS-US association is always learned but the CS does not always predict the US: therefore, no CR is formed.
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