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单词 phosphene
释义

Definition of phosphene in English:

phosphene

noun ˈfɒsfiːnˈfɑsfin
  • A sensation of a ring or spot of light produced by pressure on the eyeball or direct stimulation of the visual system other than by light.

    压眼闪光,光幻视

    Example sentencesExamples
    • When equipped with the full unit, a patient sees a display of phosphenes, which looks, as the Wall Street Journal put it, like ‘the light-bulb array of a stadium scoreboard,’ and which approximates - very roughly - the outlines of objects.
    • 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.
    • These early studies were limited by problems such as flickering phosphenes and interactions between phosphenes.
    • 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.
    • Until recently artificial stimulation could create only white phosphenes.

Origin

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

Definition of phosphene in US English:

phosphene

nounˈfɑsfinˈfäsfēn
  • A ring or spot of light produced by pressure on the eyeball or direct stimulation of the visual system other than by light.

    压眼闪光,光幻视

    Example sentencesExamples
    • 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.
    • 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.
    • When equipped with the full unit, a patient sees a display of phosphenes, which looks, as the Wall Street Journal put it, like ‘the light-bulb array of a stadium scoreboard,’ and which approximates - very roughly - the outlines of objects.
    • These early studies were limited by problems such as flickering phosphenes and interactions between phosphenes.
    • Until recently artificial stimulation could create only white phosphenes.

Origin

Late 19th century: formed irregularly from Greek phōs ‘light’ + phainein ‘to show’.

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更新时间:2025/7/5 19:35:00