After training one of his dogs to salivate in response to a tone, Pavlov continued to present the tone periodically without the food, with the result that the dog
A) kept responding at the same intensity, despite extended exposure to the tone alone.
B) stopped responding immediately.
C) initially responded to the tone at an even greater intensity than before.
D) gradually stopped responding to the tone.

Question

Quizplus · Accepted Answer

This phenomenon is known as extinction, where the conditioned response gradually weakens and eventually disappears when the conditioned stimulus (tone) is presented repeatedly without the unconditioned stimulus (food). Therefore, the dog gradually stopped responding to the tone.

After Training One of His Dogs to Salivate in Response