Effect of acquisition level upon the magnitude of stimulus generalization across sensory modality

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“Experimental animals were trained to either the 55% or 90% response level in instrumental shock avoidance to a light. They were then tested for crossmodal generalization to a 1,000 cycle tone, and subsequently extinguished to the light. Control groups were trained to the same response levels and then extinguished to the light. Both absolute and relative generalization across modality decrease with the increase in acquisition level. Significant secondary extinction occurred in the experimental groups as a result of the interpolated tone tests. The data support the hypothesis that discrimination learning occurs in the absence of discrimination training.” From Psyc Abstracts 36:01:1EL83T. (PsycINFO Database Record (c) 2006 APA, all rights reserved)

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