Suppression of operant responding for food and water reinforcement following intraventricular injections of Bombesin in the rat |
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Authors: | A M Babcock D D Avery K L Maitland |
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Affiliation: | Department of Psychology, Colorado State University Fort Collins, Colorado 80523, USA |
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Abstract: | The effects of injecting Bombesin (BBS) into the lateral cerebral ventricle on operant responding for food and water in the rat were investigated in two experiments. In the first experiment injections of BBS suppressed both operant responding for water and post-session water consumption. A combined treatment of water preloading and BBS injections produced greater suppression of post-session water consumption than either BBS injections or water preloading. This suggests that the peptide has a primary antidipsic effect. In the second experiment BBS produced a significant suppression of operant responding for food reward as well as lowered body temperature. This suggests that BBS may serve as a true satiety signal for food motivated behavior. |
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