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In order to integrate the results of procedures that induce excessive nonregulatory eating, it is necessary to develop new procedures that elicit eating in satiated animals. To that end, the present study examined the effects of 90-dB white noise on eating in satiated rats. Twenty-four rats, including sixteen with prior tail pinch-induced eating experience,(More)
Nineteen rats were maintained throughout the experiment on ad libitum wet mash and water and were trained to press a lever on fixed-interval or fixed-ratio schedules of reinforcement with electrical brain stimulation. Fourteen rats ate at least 150% more mash during intermittent reinforcement sessions than during baseline, massed reinforcement control,(More)