If a tone is sounded each time a puff of air is delivered to someone's eye, the tone alone will eventually make their eyes blink. In this example, the is the conditioned stimulus and the is the conditioned response.

In this example, the tone is the conditioned stimulus and the blinking of the eye is the conditioned response.

Explanation:

This question refers to classical conditioning, in which a new behavior is learned through the pairing of a strong stimulus with a previously neutral stimulus. At first, the tone was a neutral stimulus. It was associated with the puff of air, which is an unconditioned stimulus that causes an unconditioned response - blinking the eyes. After repeating this association several times, the tone will no longer be neutral. It will be strongly associated with the puff of air. Eventually, just hearing the tone will be enough to make the person blink. At this point, we can say the tone is the (now) conditioned stimulus, and the blinking is the conditioned response.

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