The scintillating grid illusion: Influence of size, shape, and orientation of the luminance patches

Kun Qian, Yuki Yamada, Takahiro Kawabe, Kayo Miura

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

The scintillating grid illusion refers to the illusory perception of black spots on luminance patches at the intersections of a grey grid on a black background. We examined how spatial parameters of luminance patches modulated the strength of the illusion. In experiment 1, we controlled the size and shape of the luminance patches. For the largest-size conditions tested, we found a significant reduction in the strength of the illusion with squares when compared to circles or diamonds. In experiment 2, we controlled the orientation of quadrangle patches and confirmed a significantly larger reduction in the strength of the illusion when the edge orientations of quadrangle patches were vertical and horizontal (square) than when they were oblique (diamond). To explore the relationship between orientation processing and scintillating grid illusion, we controlled, in experiment 3, the global orientation of the display; the strength of the illusion with diamonds was significantly weaker when it was rotated by 458 than when it was not rotated. These results indicate that it is not only the difference of edge orientation of luminance patches, but also the orientation with respect to the grid that determines the strength of the illusion.

Original languageEnglish
Pages (from-to)1172-1182
Number of pages11
JournalPerception
Volume38
Issue number8
DOIs
Publication statusPublished - Dec 1 2009

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Luminance
Diamonds
Diamond
Experiments
Display devices
Processing

All Science Journal Classification (ASJC) codes

  • Experimental and Cognitive Psychology
  • Ophthalmology
  • Sensory Systems
  • Artificial Intelligence

Cite this

The scintillating grid illusion : Influence of size, shape, and orientation of the luminance patches. / Qian, Kun; Yamada, Yuki; Kawabe, Takahiro; Miura, Kayo.

In: Perception, Vol. 38, No. 8, 01.12.2009, p. 1172-1182.

Research output: Contribution to journalArticle

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