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Showing 1 to 1 of 1 for “"pretraining effects"”.
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Effects of Ventromedial Hypothalamic Lesions on Food-Reinforced Fixed Ratio Responding
… the conditions under which these opposite effects on "food-motivated" behavior occur. Rats with ventromedial lesions made with steel electrodes showed a decrease relative to controls in lever pressing on a fixed ratio schedule. This effect was also seen in rats which had extensive …