Two competing mechanisms underlying neon color spreading, visual phantoms and grating induction

Akiyoshi Kitaoka, Jiro Gyoba, Hideaki Kawabata, Kenzo Sakurai

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Neon color spreading is closely related to the photopic visual phantom illusion, since these two completion phenomena are characterized by in-phase lightness induction, and the only difference in the stimulus configuration is the difference in the inducer height. This idea was supported by the present study. Neon color spreading showed almost the same function of critical spatial frequency as photopic visual phantoms (Experiment 1), and the critical spatial frequency was constant as the inducer height was changed (Experiment 2). We also examined the relationship between neon color spreading and grating induction (characterized by counterphase lightness induction) in critical spatial frequency (Experiment 3) and in magnitudes of lightness induction (Experiment 4) as a function of the inducer height. The inducer height at which in-phase (neon color spreading) appearance gave way to counterphase (grating) induction was approximately 0.1 deg. These results suggest that neon color spreading shares a common neural mechanism with the photopic visual phantom illusion and that this mechanism is different from, and competes with, the mechanism of grating induction.

Original languageEnglish
Pages (from-to)2347-2354
Number of pages8
JournalVision Research
Volume41
Issue number18
DOIs
Publication statusPublished - 2001
Externally publishedYes

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Keywords

  • Grating induction
  • Neon color spreading
  • Phase
  • Photopic phantoms
  • Visual phantoms

ASJC Scopus subject areas

  • Ophthalmology
  • Sensory Systems

Cite this

Two competing mechanisms underlying neon color spreading, visual phantoms and grating induction. / Kitaoka, Akiyoshi; Gyoba, Jiro; Kawabata, Hideaki; Sakurai, Kenzo.

In: Vision Research, Vol. 41, No. 18, 2001, p. 2347-2354.

Research output: Contribution to journalArticle

Kitaoka, Akiyoshi ; Gyoba, Jiro ; Kawabata, Hideaki ; Sakurai, Kenzo. / Two competing mechanisms underlying neon color spreading, visual phantoms and grating induction. In: Vision Research. 2001 ; Vol. 41, No. 18. pp. 2347-2354.
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