positive afterimage

  • 1positive afterimage — n a visual afterimage that retains the same light, dark, and color relationships as those appearing in the original image compare NEGATIVE AFTERIMAGE * * * an afterimage in which the bright, dark, and colored areas are the same as in the original …

    Medical dictionary

  • 2positive afterimage —    A term used to denote an afterimage that has the same relative brightness relations as the primary optical stimulus (for example, a dark blue afterimage of a dark blue pen). The term positive afterimage is used in opposition to the term *… …

    Dictionary of Hallucinations

  • 3positive afterimage — teigiamasis povaizdis statusas T sritis fizika atitikmenys: angl. positive afterimage vok. positives Nachbild, n rus. положительное послеизображение, n pranc. postimage positive, f …

    Fizikos terminų žodynas

  • 4positive afterimage — noun : a visual afterimage that retains the same light, dark, and color relationships as those appearing in the original image opposed to negative afterimage …

    Useful english dictionary

  • 5afterimage —    Also referred to as aftersensation, afterimagery, and post image. All three terms are used to denote a group of visual percepts that occur in response to a primary light stimulus to the eye, typically noticed after the stimulus has been… …

    Dictionary of Hallucinations

  • 6Afterimage — For other uses, see Afterimage (disambiguation). If the viewer stares at this image for 20 60 seconds and stares at a white object a negative afterimage will appear (in this case being cyan on magenta). This can also be achieved by the viewer… …

    Wikipedia

  • 7afterimage — /af teuhr im ij, ahf /, n. Psychol. a visual image or other sense impression that persists after the stimulus that caused it is no longer operative. [1875 80; trans. of G Nachbild; see AFTER, IMAGE] * * * ▪ psychology       visual illusion in… …

    Universalium

  • 8afterimage — Persistence of a visual response after cessation of the stimulus. SYN: accidental image, negative image. negative a. a. in which the lightness relationship is reversed; if chromatic, it appears in complementary color. positive a. a. in which the… …

    Medical dictionary

  • 9Hering's afterimage —    The eponym Hering s afterimage refers to the German psychologist and physiologist Karl Ewald Konstantin Hering (1834 1918). It is used to denote a positive afterimage that appears first in a temporal sequence of afterimages resulting from a… …

    Dictionary of Hallucinations

  • 10Hess afterimage —    The eponym Hess afterimage refers to the German ophthalmologist Carl von Hess (1863 1923). It is used to denote a positive afterimage that appears third in a temporal sequence of afterimages resulting from a brief light stimulus. Hess… …

    Dictionary of Hallucinations