In the classical condition theory by Ivan Pavlov, a conditioned simulus (the rose in this example) is associated with an unconditioned simulus (the shock), and provokes a conditioned response (fear).
A famous experiment involves Pavlov ringing a bell every time he was going to feed a dog. In time, the dog started salivating just by hearing the sound of the bell.
Al Gore's roommates at Harvard were Tommy Lee Jones , today an actor (e.g. Batman Forever), and Bob Somerby, who later became an editor for a media criticism website.