Filling-in of the foveal blue scotoma

Svein Magnussen, Lothar Spillmann, Frank Stürzel, John S Werner

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

The blue-blindness (tritanopia) of the human foveola normally goes unnoticed but can be directly visualized by having observers view a flickering, monochromatic, short-wavelength field. The blue scotoma appears as a tiny dark spot in central vision, the visibility of which depends upon the wavelength of the field and the temporal frequency of modulation. Comparisons of fading times as a function of flicker frequency for the blue scotoma, foveal afterimages and optically stabilized images indicate a common time course, consistent with the hypothesis that perceptual filling-in of the foveal blue scotoma reflects the operation of neural processes similar to those involved in fading and regeneration of stabilized images.

Original languageEnglish (US)
Pages (from-to)2961-2967
Number of pages7
JournalVision Research
Volume41
Issue number23
DOIs
StatePublished - 2001

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Scotoma
Afterimage
Blindness
Regeneration

Keywords

  • Foveal blue-blindness
  • Perceptual filling-in
  • Scotoma
  • Stabilized images

ASJC Scopus subject areas

  • Ophthalmology
  • Sensory Systems

Cite this

Filling-in of the foveal blue scotoma. / Magnussen, Svein; Spillmann, Lothar; Stürzel, Frank; Werner, John S.

In: Vision Research, Vol. 41, No. 23, 2001, p. 2961-2967.

Research output: Contribution to journalArticle

Magnussen, S, Spillmann, L, Stürzel, F & Werner, JS 2001, 'Filling-in of the foveal blue scotoma', Vision Research, vol. 41, no. 23, pp. 2961-2967. https://doi.org/10.1016/S0042-6989(01)00178-X
Magnussen, Svein ; Spillmann, Lothar ; Stürzel, Frank ; Werner, John S. / Filling-in of the foveal blue scotoma. In: Vision Research. 2001 ; Vol. 41, No. 23. pp. 2961-2967.
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