A B C D E F-G H I-J-K L-M-N O P-Q R S T U-Z

Unconditioned Reflex (Response) (UR): A response that occurs to appropriate stimulation without prior conditioning.

Unconditioned Stimulus (US): A stimulus that affects behavior without prior learning.

Unconscious: A lack of consciousness / unaware of all senses.

Unconscious Mind: A term used in psychiatry to denote a postulated region of the psyche, the repository of repressed urges and wishes; collective unconscious is also referred to the Unconscious Mind.

W

Waking Hypnosis: While in the waking state a person is actually under the influence of a post-hypnotic suggestion.

Wernicke's Area: A region of the brain responsible for the comprehension of language and the production of meaningful speech.