Effect of differences in binocularity on perceived absolute distance.

A. A. Cruz, S. S. Fukusima, P. Schor, J. A. Da-Silva

Research output: Contribution to journalArticlepeer-review

3 Scopus citations


1. Using a 0.9 x 4.0 m visual alley, perceived absolute distance was studied in four groups of subjects: binocular, cross-eyed, monocular, and induced-monocular individuals. 2. A power function between the different physical and perceived distances was adjusted and the relative and absolute errors made by the observers were calculated. Despite a tendency to overestimate distance in the monocular group, no significant differences were detected among groups. 3. The data suggest that, under natural-cue conditions, binocularity is not a determining factor for the perception of absolute distance.

Original languageEnglish (US)
Pages (from-to)1355-1359
Number of pages5
JournalBrazilian Journal of Medical and Biological Research
Issue number11
StatePublished - Dec 1 1989

ASJC Scopus subject areas

  • Biophysics
  • General Neuroscience
  • Biochemistry
  • Physiology
  • Immunology
  • Pharmacology, Toxicology and Pharmaceutics(all)
  • Cell Biology


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