In an Early Experiment Done by Neal Miller, Some Rats

Multiple Choice

In an early experiment done by Neal Miller, some rats were stimulated in their pleasure centers if they lowered their heart rates. Other rats were stimulated when they raised their heart rates. They all managed to learn to change their heart rates. This is an example of

A) negative reinforcement.
B) classical conditioning.
C) biofeedback training.
D) classical reinforcement.