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  • Title: Massive preexposure and preexposure in multiple contexts attenuate the context specificity of latent inhibition.
    Author: Wheeler DS, Chang RC, Miller RR.
    Journal: Learn Behav; 2003 Nov; 31(4):378-86. PubMed ID: 14733485.
    Abstract:
    Latent inhibition, which refers to attenuated responding to a conditioned stimulus (CS) after CS-unconditioned stimulus (CS-US) pairings as a result of CS-alone presentations prior to the pairings, is often attenuated if preexposure and conditioning occur in different contexts (i.e., it is context specific). Here we report two conditioned lick suppression experiments, using rat subjects, that examined whether manipulations known to attenuate the context specificity of extinction could also eliminate the context specificity of latent inhibition. Context specificity of latent inhibition was eliminated when the CS was preexposed in multiple contexts (Experiment 1) and when the CS was massively pre-exposed in the training context alone (Experiment 2). These results and their practical implications are discussed in the framework of contemporary theories of latent inhibition.
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