physiological threshold

  • 1Threshold consciousness — (commonly called half asleep or half awake ) is the state of falling asleep or waking up.Physiological phenomenon that can occur in threshold consciousness including lucid dreaming, hypnagogia, hypnopompia, hypnagogic hallucinations, and sleep… …

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  • 2threshold — 1. The point at which a stimulus first produces a sensation. 2. The lower limit of perception of a stimulus. 3. The minimal stimulus that produces excitation of any structure; e.g., the minimal stimulus eliciting a moto …

    Medical dictionary

  • 3threshold — noun Etymology: Middle English thresshold, from Old English threscwald; akin to Old Norse threskjǫldr threshold, Old English threscan to thresh Date: before 12th century 1. the plank, stone, or piece of timber that lies under a door ; sill 2. a.… …

    New Collegiate Dictionary

  • 4Absolute threshold of hearing — The absolute threshold of hearing (ATH) is the minimum sound level of a pure tone that an average ear with normal hearing can hear with no other sound present. The absolute threshold relates to the sound that can just be heard by the… …

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  • 5Flicker fusion threshold — The flicker fusion threshold (or flicker fusion rate) is a concept in the psychophysics of vision. It is defined as the frequency at which an intermittent light stimulus appears to be completely steady to the observer (this article centers around …

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  • 6Aerobic threshold — The aerobic threshold (AeT) is a term sometimes used by sports coaches and trainers to describe a level of exercise somewhat below the anaerobic threshold. It, however, is not a defined physiological term.The AeT is sometimes defined as the… …

    Wikipedia

  • 7Renal threshold — In physiology, the renal threshold is the concentration of a substance dissolved in the blood above which the kidneys begin to remove it into the urine. Renal thresholds vary by substance – the low potency poison urea, for instance, is removed at …

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  • 8aerobic threshold — /əroʊbɪk ˈθrɛʃhoʊld/ (say uhrohbik threshhohld) noun the physiological state of the body induced by a level of physical exercise just short of that required to cross the anaerobic threshold. Abbrev.: AeT …

  • 9jnd — noun (psychophysics) the difference between two stimuli that (under properly controlled experimental conditions) is detected as often as it is undetected • Syn: ↑just noticeable difference • Topics: ↑psychophysics • Hypernyms: ↑difference… …

    Useful english dictionary

  • 10hypoglycaemia-induced hallucination —    Hypoglycaemia is also written as hypoglycemia. Both terms stem from the Greek words hupo (below, beneath), gleukos (must), and haima (blood). They translate as low blood sugar . The introduction of the term hypoglycaemia is commonly attributed …

    Dictionary of Hallucinations