Category: U
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Unconsummated
Characterized by not having had coitus.
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Unconscious motivation
Motivation for a person’s behavior of which he or she is not aware.
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Unconscious mind
Subconscious mind.
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Unconscious interference
A process to explain certain perceptual phenomena such as size constancy. An object is perceived to be in the distance and is, there-fore, unconsciously perceived as larger than it appears to be retinally shape constancy.
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Unconscious action
Behavior in which a person is experiences no sensory awareness.
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Unconditioned stimulus
The activator (stimulus) that elicits the unconditioned response in classical conditioning. Any stimulus that elicits an unconditioned response (i.e., a response that occurs by reflex rather than by learning).
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Unconditioned response
The reaction (response) that is made to the unconditioned stimulus in classical conditioning. An example is an inborn reflex. A response to a stimulus which occurs automatically, by instinct, and has not been learned. An inherent response rather than one that is learned.
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Unconditioned reflex
Unconditioned response. Instinctive, unlearned response to a stimulus; also called instinctual response; instinctive reflex; inborn reflex. A natural or inherited reflex action; one not acquired.
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Unconditional positive regard
According to Rogers, an essential characteristic of a client-centered therapist, who needs to be totally accepted by the client, in order for him or her to adequately evaluate the client’s behavior in relation to progress toward self-actualization.
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Uncommon foods
Foods introduced into a weight reduction diet that a person finds unfamiliar and perhaps unappetizing.