Visual sensitivity to irregularities in periodic tiling patterns

A single experiment was conducted to evaluate the sensitivity of human vision to irregularities in regular (repetitive) patterns that tile the plane; mathematicians have been investigating such patterns (tilings) for hundreds of years. The stimulus patterns in the current study were composed of obliquely oriented line segments and strongly resemble patterns used in traditional art. In the experiment, the pattern density was manipulated as well as the magnitude of pattern alteration. Signal detection methodology was used, such that the observers’ task was to indicate for each presented pattern whether it was perfectly regular or it had been altered such that the periodicity was broken. The obtained results indicate that human observers are moderately sensitive (overall d’ value was 1.76) at detecting violations of the periodicity of regular patterns that tile the plane. High performance (d’ values greater than 2.0) only occurs, however, when pattern elements repeat over small spatial scales.

• Publication year

  2025

• Venue

  Scientific Reports

• Publication date

  2025-08-20

• Fields of study

  Art, Mathematics, Medicine, Psychology

• Identifiers
  DOI 10.1038/s41598-025-16718-7PMID 40830668PMCID 12365008
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar, PubMed

• No claims are published for this paper.

• No concepts are published for this paper.

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