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phosphene

Syllabification: phos·phene
Pronunciation: /ˈfäsfēn
 
/

Definition of phosphene in English:

noun

A ring or spot of light produced by pressure on the eyeball or direct stimulation of the visual system other than by light.
Example sentences
  • These early studies were limited by problems such as flickering phosphenes and interactions between phosphenes.
  • When you put an array of electrodes on the visual cortex of the brain, each electrode produces a small spot of light called a phosphene.
  • This device then stimulates the visual receptors in the brain, allowing users to see shapes such as people and obstacles as a pattern of tiny bursts of light, known as phosphenes.

Origin

late 19th century: formed irregularly from Greek phōs 'light' + phainein 'to show'.

Definition of phosphene in:

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