Answer :
I believe the answer is: . neutral stimulus—knock on the door; CS—knock on the door; US—cocaine
The neutral stimulus produces no response other than grabbing the attention Conditioned stimulus is the one that triggered a conditioned response (such as walking to open the door) , and unconditioned stimulus is the one that triggered unconditional response. (such as pain relief after using cocaine)
The neutral stimulus produces no response other than grabbing the attention Conditioned stimulus is the one that triggered a conditioned response (such as walking to open the door) , and unconditioned stimulus is the one that triggered unconditional response. (such as pain relief after using cocaine)