Levels of perceptual processing in the development of visual illusions

Joan S. Girgus, Stanley Coren, Richard Fraenkel

Research output: Contribution to journalArticle

10 Scopus citations

Abstract

Used illusion decrement to explore the relative contributions of structural factors and cognitive processing factors to the commonly found age differences in the magnitude of the Muller-Lyer illusion. A total of 160 7-, 9-, 11-, and 21-yr-olds judged the standard Brentano form and a dot form of the illusion for 5 trials at 30-sec intervals. The initial illusion magnitudes for the Brentano form showed the usual decrease with age; however, the age trend for the dot form was considerably weaker. For both configurations, the initial age trends completely disappeared over the 2.5-min testing session. (34 ref) (PsycINFO Database Record (c) 2006 APA, all rights reserved).

Original languageEnglish (US)
Pages (from-to)268-273
Number of pages6
JournalDevelopmental Psychology
Volume11
Issue number3
DOIs
StatePublished - May 1 1975

All Science Journal Classification (ASJC) codes

  • Demography
  • Developmental and Educational Psychology
  • Life-span and Life-course Studies

Keywords

  • Brentano form vs dot form of Mueller-Lyer illusion & age & perceptual processing levels, illusion magnitude perception, 7 & 9 & 11 & 21 yr olds

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