In classical conditioning, the subject exhibits a(n) response to what at one time was a stimuli.

In classical conditioning, the subject exhibits a "reflux" response to what at one time was a "neutral" stimuli.

Classical conditioning refers to a type of learning whereby an conditioned stimulus progresses toward becoming related with an unrelated unconditioned stimulus keeping in mind the end goal to create a behavioral reaction known as a conditioned response . The conditioned response is the scholarly reaction to the beforehand unbiased jolt.