The sight of a syringe has been noted to produce in a heroin addict a sudden desire for a "fix" and he begins twitching.Such reactions were not present until the syringe was seen.We can say that the syringe has become
A)a conditioned stimulus
B)an unconditioned stimulus
C)a conditioned response
D)an unconditioned response

Question

Quizplus · Accepted Answer

The sight of a syringe has become associated with the heroin addiction and has elicited a desire for a fix. This is a classic example of classical conditioning, where a previously neutral stimulus (the syringe) becomes associated with a natural, unconditioned response (the desire for a fix) through repeated pairings with another stimulus (the drug). The syringe is now a conditioned stimulus that elicits a conditioned response (the desire for a fix).

The Sight of a Syringe Has Been Noted to Produce