unconditioned stimulus

unconditioned stimulus
any stimulus naturally capable of eliciting a specific response.

Medical dictionary. 2011.

Look at other dictionaries:

  • unconditioned stimulus — /ˌʌnkəndɪʃənd ˈstɪmjələs/ (say .unkuhndishuhnd stimyuhluhs) noun a stimulus innately effective in eliciting a specified response …   Australian-English dictionary

  • unconditioned response — a response elicited spontaneously by an unconditioned stimulus; an unlearned response, i.e., one that occurs naturally. Called also inborn or unconditioned reflex …   Medical dictionary

  • unconditioned response — or unconditioned reflex, Psychology. a response that occurs without specific learning or experience when a stimulus is presented. The knee jerk is an unconditioned reflex …   Useful english dictionary

  • stimulus — 1. A stimulant. 2. That which can elicit or evoke action (response) in a muscle, nerve, gland or other excitable tissue, or cause an augmenting action upon any function or metabolic …   Medical dictionary

  • unconditioned reflex — noun an automatic instinctive unlearned reaction to a stimulus • Syn: ↑reflex, ↑reflex response, ↑reflex action, ↑instinctive reflex, ↑innate reflex, ↑inborn reflex, ↑physiological reaction …   Useful english dictionary

  • stimulus — noun ADJECTIVE ▪ great, major, powerful, strong ▪ negative, positive ▪ conditioned, unconditioned …   Collocations dictionary

  • unconditioned — adj. Unconditioned is used with these nouns: ↑stimulus …   Collocations dictionary

  • unconditioned — adj. 1 not subject to conditions or to an antecedent condition. 2 (of behaviour etc.) not determined by conditioning; natural. Phrases and idioms: unconditioned reflex an instinctive response to a stimulus …   Useful english dictionary

  • unconditioned or unconditional stimulus — See conditioning …   Dictionary of sociology

  • Neutral stimulus — A neutral stimulus is a stimulus which initially produces no specific response other than focusing attention. In classical conditioning, when used together with an unconditioned stimulus, the neutral stimulus becomes a conditioned stimulus. See… …   Wikipedia

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