Abstract
One group of rats could avoid continuous grid shock by depressing a treadle manipulandum. In another group, the escape response was punished by shock administered via the treadle. Chronic gastric cannulas allowed the collection of gastric secretion. Total acid output was not significantly different between shock yoke control rats and their respective experimental mates. Gastric secretion and total acid output were significantly depressed during the shock period as compared to the preshock period, and rats whose coping response was punished secreted less acid as compared to rats which were not punished for eliciting the coping response. Gastric secretion, as a response to environmental stress, is discussed.
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