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Absolute threshold

Definition of the noun absolute threshold

What does absolute threshold mean as a name of something?

noun

  1. the lowest level of stimulation that a person can detect
    • lexical domain: Cognitive Processes - nouns denoting cognitive processes and contents
    • more generic words: limen / threshold = the smallest detectable sensation
    • more specific term: pain threshold = the lowest intensity of stimulation at which pain is experienced

Explanation

Absolute threshold: In neuroscience and psychophysics, an absolute threshold was originally defined as the lowest level of a stimulus —light, sound, touch, etc.—that an organism could detect. Under the influence of signal detection theory, absolute threshold has been redefined as the level at which a stimulus will be detected a specified percentage of the time. The absolute threshold can be influenced by several different factors, such as the subject's motivations and expectations, cognitive processes, and whether the subject is adapted to the stimulus.

  • also known as 感覺閾限

Printed dictionaries and other books with definitions for Absolute threshold

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Google previewThe Dictionary of Psychology (2016)

by Ray Corsini

See ABSOLUTE LIMEN, ABSOLUTE THRESHOLD. absolute temperature scale Kelvin scale absolute threshold The minimum amount of sensory stimulation required to trigger a reaction or produce a sensation. Often taken as the lowest or ...

Google previewEncyclopedia of Human Behavior (2012)

' An absolute threshold is the magnitude of a stimulus that enables it to be just discriminated from its null, as exemplified by a contrast ...

Google previewEncyclopedia of Perception (2010)

by E. Bruce Goldstein

The most common measure used when testing intensity processing is the absolute threshold, the smallest intensity of sound detectable in a quiet environment. The absolute threshold improves throughout infancy and reaches adult levels by ...

Google previewMosby's Pocket Dictionary of Medicine, Nursing & Health Professions - E-Book (2013)

by Mosby

absolute threshold absolute zero absorbable gauze absorbable surgical suture ...

Google previewComprehensive Dictionary of Audiology (2003)

by Brad A. Stach

aided lowest level at which a signal is audible to an individual wearing a hearing aid threshold, air-conduction absolute threshold of hearing sensitivity to pure-tone stimuli delivered via earphone threshold, audibility sensitivity threshold , ...

Google previewThe Five Senses and Beyond: The Encyclopedia of Perception (2016)

The Encyclopedia of Perception by Jennifer L. Hellier

However, the absolute threshold has been redefined by signal detection theory. This theory states that visual threshold is the level at which a stimulus will be detected at least 50 percent of the time. This threshold for a person, however, can be ...

Google previewDictionary of Optometry and Visual Science (2014)

by Michel Millodot

I15 Photochromatic interval, PHI (P, curve of the threshold of hue; S, curve of the absolute threshold of light) intraocular lens implant See lens, intraocular. intraocular muscles; pressure See under the nouns. intrinsic light See light, idioretinal.

Google previewDictionary of Psychological Testing, Assessment and Treatment (2007)

Second Edition by Ian Stuart-Hamilton

absolute threshold See threshold. absolute value The value of a number ...

Google previewThe Concise Dictionary of Psychology (1998)

by David A. Statt

threshold See ABSOLUTE THRESHOLD and ...

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