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Absolute threshold The minimum amount of physical energy needed to produce a reliable sensory experience; operationally defined as the stimulus level at which a sensory signal is detected half the time.
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Absolute thresholdthe smallest quantity of prodding or provocation needed to invoke a response from something.
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Absolute thresholdThe lowest limit of any perception whatever. Compare: differential threshold. Synonyms: stimulus threshold. (05 Mar 2000)
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