Heritability in visual-geometric illusions: A family study

S. Coren, C. Porac

Research output: Contribution to journalArticlepeer-review

38 Scopus citations


The 11 and Ebbinghaus illusions were tested in 203 mother-father-offspring triads and 303 sibling pairs. Significant familial resemblances were found in all but the overestimated segment of the Ebbinghaus illusion. These results suggest that responses to visual-geometric illusions, mediated by optical or neural interactive mechanisms, show patterns of familial resemblance which may be based upon heritable factors.

Original languageEnglish (US)
Pages (from-to)303-309
Number of pages7
Issue number3
StatePublished - Jan 1 1979

All Science Journal Classification (ASJC) codes

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


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