Pavlov's dog experiments played a critical role in the discovery of one of the most important concepts in psychology: Classical conditioning, sometimes called Pavlovian conditioning.

The sound has been "conditioned" to predict food. This is the most beautiful example of classical learning I can think of. When the dog hears the sound, think of a little cartoon bubble appearing over ...

Unlike other forms of conditioning, such as operant conditioning—where one, for example, performs an action for a reward—the conditioned response in classical conditioning (e.g., the cravings ...