absolute threshold of sensation

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• Absolute threshold — In neuroscience and psychophysics, an absolute threshold is the smallest detectable level of a stimulus. For example, in an experiment on sound detention, researchers may present a sound with varying levels of volume. The smallest level that a… …   Wikipedia

• absolute threshold — noun the lowest level of stimulation that a person can detect • Hypernyms: ↑threshold, ↑limen • Hyponyms: ↑pain threshold * * * noun : the smallest magnitude at which a sensory stimulus can reliably evoke a sensation …   Useful english dictionary

• absolute threshold — the lowest possible limit of stimulation that is capable of producing sensation; called also stimulus t …   Medical dictionary

• threshold — 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

• Sensory threshold — is a theoretical concept used in psychophysics. A stimulus that is less intense than the sensory threshold will not elicit any sensation. Methods have been developed to measure thresholds in any of the senses. Several different sensory thresholds …   Wikipedia

• Examples of the motif of harmful sensation in fiction — This is a chronological list of examples of the motif of harmful sensation in modern fiction. Before 1901*In Stendhal s 1817 Naples and Florence: A Journey from Milan to Reggio , the eponymous Stendhal syndrome is outlined. *Edgar Allan Poe s… …   Wikipedia

• eye, human — ▪ anatomy Introduction  specialized sense organ capable of receiving visual images, which are then carried to the brain. Anatomy of the visual apparatus Structures auxiliary to the eye The orbit       The eye is protected from mechanical injury… …   Universalium

• Psychophysics — is a subdiscipline of psychology dealing with the relationship between physical stimuli and their subjective correlates, or percepts. Psychophysics has been described variously as “the scientific study of the relation between stimulus and… …   Wikipedia

• illusion — illusioned, adj. /i looh zheuhn/, n. 1. something that deceives by producing a false or misleading impression of reality. 2. the state or condition of being deceived; misapprehension. 3. an instance of being deceived. 4. Psychol. a perception, as …   Universalium

• Pure tone audiometry — (PTA) is the key hearing test used to identify hearing threshold levels of an individual, enabling determination of the degree, type and configuration of a hearing loss. Thus, providing the basis for diagnosis and management. PTA is a subjective …   Wikipedia

• limen — noun the smallest detectable sensation • Syn: ↑threshold • Hypernyms: ↑sensation, ↑esthesis, ↑aesthesis, ↑sense experience, ↑sense impression, ↑sense datum …   Useful english dictionary