Phosphene definition

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August undefined, 2024

WebFeb 16, 2024 · Phosphenes are flashes of colorful light that are produced from inside the eye rather than from an outside light source. Some people report that phosphenes look like rapidly moving stars, or shapes of color that wander slowly across your vision. Undergoing phosphenes is called photopsia. WebJan 7, 2012 · A phosphene is a multicolored shape or pattern seen in the darkness, without external visual stimulation. Phosphenes can be seen with closed eyes or in a completely dark room with open eyes. Phosphenes may appear as: * spirals * exploding stars * wispy clouds * wheels * tunnels * parallel lines * wavy lines * dotted lines * zigzags * …

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WebNov 3, 2024 · phos· phine -ˌfēn 1 : a colorless poisonous flammable gas PH3 that is a weaker base than ammonia and that is used especially to fumigate stored grain 2 : any of … Webnoun Hydrogen phosphide, PH 3, a colorless, poisonous, flammable gas with a garliclike odor. Webster's New World Similar definitions Any of several organic compounds having the structure of an amine but with phosphorus in place of nitrogen. American Heritage A synthetic yellow dye. Webster's New World Advertisement Other Word Forms of Phosphine fly fishing bung

Phosphine Definition of Phosphine by Merriam-Webster

WebApr 7, 2013 · PHOSPHENE. noun. a feeling of a light flash in the absence of tangible light stimulation to the eye. It might take place with the eyes closed and can be caused by mechanical arousal of the retina, by rubbing the eyes, or by direct electrical arousal of the visual cortex. Commonly referred to as visual phosphene. PHOSPHENE: "The patients has ... Webphosphene - WordReference English dictionary, questions, discussion and forums. All Free. greenland primary school ofsted

PHOSPHENE English meaning - Cambridge Dictionary

WebTranscranial direct current stimulation (tDCS) is a form of neuromodulation that uses constant, low direct current delivered via electrodes on the head. It was originally developed to help patients with brain injuries or neuropsychiatric conditions such as major depressive disorder.It can be contrasted with cranial electrotherapy stimulation, which generally uses … Webphosphene / ( ˈfɒsfiːn) / noun the sensation of light caused by pressure on the eyelid of a closed eye or by other mechanical or electrical interference with the visual system Word Origin for phosphene C19: from Greek phōs light + phainein to show greenland produce incWebJan 1, 2024 · Definition. The electrically evoked potential (EEP) is the electrical activity in the visual cortex (V1) that is triggered by trans-corneal electrical stimulation. The psychophysical description of visual perception, reported by subjects who undergo electrical stimulation of the globe, is called phosphene. This is in distinction from electrical ... greenland primary school preston

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Phosphene definition

phosphene - WordReference.com Dictionary of English

WebA phosphene is a phenomenon characterized by the experience of seeing light without light actually entering the eye. The word phosphene comes from the Greek words phos and phainein.Phosphenes that are induced by movement or sound are often associated with optic neuritis. Phosphenes can be directly induced by mechanical, electrical, or magnetic … Webphosphene definition: 1. an area of light that is seen by someone, without any light actually entering the eye 2. an area…. Learn more.

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WebA phospheneis a phenomenon characterized by the experience of seeing light without light actually entering the eye. The word phosphenecomes from the Greek words phosand phainein. Phosphenes that are induced by movement or … WebNov 3, 2024 · phos· phine -ˌfēn 1 : a colorless poisonous flammable gas PH3 that is a weaker base than ammonia and that is used especially to fumigate stored grain 2 : any of various derivatives of phosphine analogous to amines but weaker as bases More from Merriam-Webster on phosphine Britannica.com: Encyclopedia article about phosphine

http://dictionary.sensagent.com/phosphene/en-en/ WebDefinition: (n.) A luminous impression produced through excitation of the retina by some cause other than the impingement upon it of rays of light, as by pressure upon the eyeball when the lids are closed. ... Experiments are described in which the phosphene produced by passing alternating current of frequency 100 Hz through the eye is matched ...

WebSep 14, 2024 · An international team of astronomers has detected phosphine on Venus, potentially signaling signs of life in the planet’s atmosphere, reports Shannon Stirone, Kenneth Chang and Dennis Overbye for The New York Times. "This is an astonishing and ‘out of the blue’ finding,” says Prof. Sara Seager. WebPhosphine definition, a colorless, poisonous, ill-smelling, flammable gas, PH3. See more.

WebDefinition from Wiktionary, the free dictionary. Jump to navigation Jump to search. French [] Noun []. phosphène m (plural phosphènes) . phosphene; Further reading [] “phosphène”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.

WebDec 29, 2014 · Depending on where a phosphene originates, it can take on a variety of shapes, patterns and colors. Different atoms and molecules emit photons of different wavelengths, which is why we see different colors. A phosphene with an orderly geometric pattern like a checkerboard may have originated in a section of the retina where millions … greenland primary school stanleyWebMar 23, 2011 · Very light period with brown blood 11-7GallatinBozemanFamily Promise of Gallatin Valley,IncDonnaKrause406.582.7388Appt only 8-5. We received The samurai's garden summary board by-laws from other counties. Workout Equipment Room: Open 8:30 to 4:30 Monday 47791 Friday... 68752 member, county health director, Legislator, … fly fishing calendar 2022WebDefinition of magnetophosphene in the Definitions.net dictionary. Meaning of magnetophosphene. What does magnetophosphene mean? ... Etymology: + phosphene. Freebase Rate this definition: 0.0 / 0 votes. Magnetophosphene. Magnetophosphenes are flashes of light that are seen when one is subjected to a changing magnetic field such as … fly fishing by j r hartleyWebphosphene / ˈfɒsfiːn / n. the sensation of light caused by pressure on the eyelid of a closed eye or by other mechanical or electrical interference with the visual system; Etymology: 19 th Century: from Greek phōs light + phainein to show fly fishing calgaryWebJan 17, 2024 · Noun [ edit] phosphene ( plural phosphenes ) A sensation of lights induced by mechanical, electrical, or magnetic stimulation (rather than optical) of the retina or visual cortex, or by random firing of cells in the visual system. Derived terms [ edit] magnetophosphene Translations [ edit] sensation of lights See also [ edit] fly fishing cabins cherokee ncWebnoun A sensation of light produced by mechanical or electrical stimulation of the retina, as by pressure on the eyeball through the closed eyelid. Webster's New World Similar definitions Advertisement Other Word Forms of Phosphene Noun Singular: phosphene Plural: phosphenes Origin of Phosphene greenland postcardsWebMeaning of phosphene in English. phosphene. noun [ C ] medical specialized us / ˈfɑːs.fiːn / uk / ˈfɒs.fiːn /. an area of light that is seen by someone, without any light actually entering the eye. SMART Vocabulary: related words and phrases. greenland primary exports