Facilitation of extinction by an increase or a decrease in trial duration. | Zendy

Mark Haselgrove | Zendy; John M. Pearce | Zendy

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Facilitation of extinction by an increase or a decrease in trial duration.

Author(s) -

Mark Haselgrove,

John M. Pearce

Publication year - 2003

Publication title -

journal of experimental psychology animal behavior processes

Language(s) - English

Resource type - Journals

eISSN - 1939-2184

pISSN - 0097-7403

DOI - 10.1037/0097-7403.29.2.153

Subject(s) - conditioning , extinction (optical mineralogy) , facilitation , expectancy theory , duration (music) , psychology , classical conditioning , unconditioned stimulus , associative learning , developmental psychology , social psychology , cognitive psychology , statistics , mathematics , optics , neuroscience , physics , acoustics

Five experiments examined the effects of altering the duration of a conditioned stimulus (CS) for extinction. For the first 3 experiments, rats received conditioning with a 10-s CS before different groups received extinction with a CS that was either the same duration or longer than that used for conditioning. For the remaining 2 experiments, conditioning was conducted with a 60-s CS before different groups received extinction with a CS of either the same duration or a shorter duration than that used for conditioning. In all experiments, extinction progressed more readily when the CS duration was different for the 2 stages than when it was constant. The results are discussed in terms of rate expectancy theory and associative learning theory.

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