The effects of dietary lead on ethanol-reinforced responding.

Sixteen adult male rats were presented with a diet containing no added lead (Group Control) or a diet containing 500 ppm inorganic lead (Group Lead) for 60 days. Subsequently, all animals were trained to lever press on an FR 1 reinforcement schedule for an ethanol reinforcer using a food-induction procedure where 20 g of food were presented to deprived… CONTINUE READING