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extinction

Pronunciation: eks-tingk'shun

Definition: In behavior modification or in classical or operant conditioning, a progressive decrease in the frequency of a response that is not positively reinforced; the withdrawal of reinforcers known to maintain an undesirable behavior.

See: conditioning

Synonym(s): absorbance

[L. extinguo, to quench]

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© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.
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