Response Elimination without Performance

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Abstract
Hungry rats were taught to press a lever in order to obtain a small quantity of food. It has been shown that the strength of the lever-pressing response can be reduced by allowing the animals to explore the box without finding food. This result conflicts with a simple reactive-inhibition theory of forgetting and response-elimination. Three possible explanations have been considered: (a) that the failure to find food changed the motivational condition of the animal; (b) that a conditioned drive, associated with the food-box, underwent extinction; (c) that a genuine response extinction occurred, and that this could be accounted for in terms of a principle of reaction-chain acquisition and extinction which differs in important respects from Skinner's (1938) and Hull's (1954) principles of conditioning.

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