If the sound of an electric can opener causes a cat to salivate because it has been associated with the presentation of food, the cat's salivation to the sound of the can opener is

It is called "classical conditioning".
This is a procedure in which a neutral stimulus is repeatedly paired with a stimulus that elicits a reflex or other response until the neutral stimulus alone comes to elicit a similar response. Such as a cat connecting the sound of an electric can opener to the providing of food.

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