- threshold of visual sensation
- the least possible amount of stimulus that gives rise to the sensation of sight.
Medical dictionary. 2011.
threshold of visual sensation
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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
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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
Psychology (The separation of) from philosophy — The separation of psychology from philosophy Studies in the sciences of mind 1815–1879 Edward S.Reed THE IMPOSSIBLE SCIENCE Traditional metaphysics The consensus of European opinion during and immediately after the Napoleonic era was that… … History of philosophy
esthesis — noun an unelaborated elementary awareness of stimulation a sensation of touch • Syn: ↑sensation, ↑aesthesis, ↑sense experience, ↑sense impression, ↑sense datum • Derivationally related forms: ↑sense … Useful english dictionary
aesthesis — noun an unelaborated elementary awareness of stimulation a sensation of touch • Syn: ↑sensation, ↑esthesis, ↑sense experience, ↑sense impression, ↑sense datum • Derivationally related forms: ↑sense … Useful english dictionary
sense datum — noun an unelaborated elementary awareness of stimulation (Freq. 3) a sensation of touch • Syn: ↑sensation, ↑esthesis, ↑aesthesis, ↑sense experience, ↑sense impression • Derivationally relat … Useful english dictionary
sense experience — noun an unelaborated elementary awareness of stimulation a sensation of touch • Syn: ↑sensation, ↑esthesis, ↑aesthesis, ↑sense impression, ↑sense datum • Derivationally related forms: ↑sense … Useful english dictionary
sense impression — noun an unelaborated elementary awareness of stimulation a sensation of touch • Syn: ↑sensation, ↑esthesis, ↑aesthesis, ↑sense experience, ↑sense datum • Derivationally related forms: ↑sense … Useful english dictionary
law — 1. A principle or rule. 2. A statement of fact detailing a sequence or relation of phenomena that is invariable under given conditions. SEE ALSO: principle, rule, theorem. [A.S. lagu] Alexander l. states that a jerky nystagmus becomes worse when… … Medical dictionary
