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Afterimage

An afterimage, or after-image, is an image that continues to appear in the eyes after a period of exposure to the original image. An afterimage may be a normal phenomenon (physiological afterimage) or may be pathological (palinopsia). Illusory palinopsia may be a pathological exaggeration of physiological afterimages. Afterimages occur because…

Negative afterimages, Positive afterimages & On empty shape

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Negative afterimages

NegativeNeural adaptationRetinal ganglion cellsRetinaMicrosaccades
12 related topics

Positive afterimages

BrainPhotoreceptor cellsOccipital lobe
3 related topics

On empty shape

Complementary colorContrast effectsPerceived
3 related topics

Gallery

U.S. flagItalian flagMotion aftereffect
3 related topics

Topics to explore

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Overview

Negative afterimages

Positive afterimages

On empty shape

Gallery

Advanced semantic analysis

Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.

Map overview Semantic statistics

Afterimage

Nodes32
Edges31
Triples20
Avg. degree1.94
Density0.0625
Components1

How this topic connects Entity context

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Afterimage

Top relations

related to Positive afterimages · 6
Afterimage → At, It, Positive, The, They, To
related to On empty shape · 5
Afterimage → An, In, Prolonged, The, When
related to External links · 4
Afterimage → Archived, Eye On Vision Foundation, The Palinopsia Foundation, Wayback Machine
related to Negative afterimages · 3
Afterimage → However, Negative, Normally
is a · 1
Afterimage → dim area that seems to float before one's eyes after briefly looking into a light source

Important terminology Word statistics

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Important terminology

afterimages color image original palinopsia background physiological eyes appear may shape retina adaptation one theory positive empty see negative brain

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Afterimageis adim area that seems to float before one's eyes after briefly looking into a light source0.90text
that articulated by Ewald Heringinstance ofand trichromatic theory fails to account for this fact.The failure of trichromatic theory to account for afterimages indicates the need for an opponent-process theory0.80text
Afterimagerelated to External linksThe Palinopsia Foundation0.60section
Afterimagerelated to External linksEye On Vision Foundation0.60section
Afterimagerelated to External linksArchived0.60section
Afterimagerelated to External linksWayback Machine0.60section
Afterimagerelated to Negative afterimagesNegative0.60section
Afterimagerelated to Negative afterimagesNormally0.60section
Afterimagerelated to Negative afterimagesHowever0.60section
Afterimagerelated to On empty shapeAn0.60section
Afterimagerelated to On empty shapeProlonged0.60section
Afterimagerelated to On empty shapeThe0.60section

Related concept clusters Concept neighborhoods

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    Min side: 3
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