unconditioned stimulus
noun
psychol
any stimulus evoking an unlearnt response, esp in the context of classical conditioning, in which the conditioned stimulus is followed by the unconditioned one
Words nearby unconditioned stimulus
unconditional,
unconditional convergence,
unconditioned,
unconditioned reflex,
unconditioned response,
unconditioned stimulus,
unconfined,
unconfirmed,
unconformable,
unconformity,
uncongenial
Medical definitions for unconditioned stimulus
unconditioned stimulus
n.
A stimulus that elicits an unconditioned response; for example, food is an unconditioned stimulus for a hungry animal, and salivation is the unconditioned response.