I normally feed my dog dry kibble for dinner. As a result, my dog salivates a little when he hears me putting kibble in his feeding bowl. However, tonight I mixed in a lot of steak with his dry kibble--which resulted in him salivating a lot more than normal. As a result, the next time my dog heard me putting dry kibble in his feeding bowl, he salivated a lot. This is most similar to a conditioning phenomenon known as: US revaluation CS revaluation occasion setting latent inhibition