7 rats with chronically implanted electrodes in the lateral hypothalamus were allowed to self-stimulate in a Skinner box until they stabilized. Ss were then given avoidance training in a jumping apparatus. The discriminative stimulus for avoidance was reinforcing brain stimulation. All Ss were returned to the Skinner box after avoidance training and were allowed to self-stimulate. No differences were found in lever-pressing as the result of previous avoidance training.
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