Spatial Organization in Visual Perception of Lightness

Authors

  • Alexandre José Loureiro Ribeiro Universidade de Brasília
  • Wânia Cristina de Souza Universidade de Brasília

Keywords:

Visual perception of lightness, Simultaneous lightness contrast, Subjective contours, Spatial organization, Figure-ground perception

Abstract

This study investigated the influence of physical variations of stimuli, based on the spatial organization of figure-ground, which is created by the association of illusory effects of simultaneous lightness contrast and subjective contours. One hundred and sixty matrixes were presented to each participant, among a total of 64. Each matrix was composed of one sample stimulus and four comparison stimuli, and the task was to identify which of the four comparison stimuli corresponded to the sample stimulus. The significant difference between the averages of visual adjustment that were verified for the medium subjective contour and for the control condition (without contour) showed that the classical formation of Kanizsa subjective contours influenced visual perception when associated with the effect of simultaneous lightness contrast.

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Published

2010-07-30

How to Cite

Loureiro Ribeiro, A. J., & de Souza, W. C. (2010). Spatial Organization in Visual Perception of Lightness. Psicologia: Teoria E Pesquisa, 26(2), 273–280. Retrieved from https://periodicos.unb.br/index.php/revistaptp/article/view/17799

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