Abstract
Forty-eight naive male albino rats were given 6 days of acquisition training in a straight runway. Following training on the first 5 days of acquisition, all Ss received 10 g of Lab Chow approximately 10 min after the experimental session. Upon completion of acquisition, Ss received either ECS or no treatment and were given 0, 10, or 20 g of food. All Ss were tested in extinction 24 h after treatment, and results showed that as motivational level decreased, the running speed of no-treatment Ss declined at a greater rate than did the running speed of Ss receiving ECS. This was interpreted in terms of the perseveration effect of ECS on the runway response.
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