Ivan Pavlov Quotes
When the dog is repeatedly teased with the sight of objects inducing salivary secretion from a distance, the reaction of the salivary glands grows weaker and weaker and finally drops to zero.
Citations
Pavlov, Ivan P. Conditioned Reflexes: An Investigation of the Physiological Activity of the Cerebral Cortex. Translated by G. V. Anrep, Oxford University Press, 1927, p. 43.
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Ivan Petrovich Pavlov was a Russian physiologist known primarily for his work in classical conditioning.