| A | B |
| Classical Conditioning | A type of learning in which an organism comes to associate stimuli. |
| Learning | A relatively permanent change in an organism's behavior due to experience. |
| UCR | unlearned, natural response to the UCS. |
| UCS | a stimulus, that unconditionally, naturally and automatically, triggers a response. |
| CR | learned response to a previously neutral CS |
| CS | Through conditioning, comes to trigger a conditioned response. |
| Acquisition | The first phase of classical conditioning. |
| Extinction | diminishing of a CR |
| Pavlov | Famous researcher in Classical Conditioning |