In conditioning, responding differentially, as when an organism makes one response to a reinforced stimulus and a different response to an unreinforced stimulus. [L. discrimino, pp. -atus, to separate]
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dis·crim·i·na·tion dis-.krim-ə-'nā-shən n the process by which two stimuli differing in some aspect are responded to differently: DIFFERENTIATION
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dis·crim·i·na·tion (dis-krim″ĭ-naґshən) the making of a fine distinction.Medical dictionary. 2011.