Developmental changes in selective and integrative visual attention

James T. Enns, Joan Girgus

Research output: Contribution to journalArticlepeer-review

78 Scopus citations

Abstract

School-aged children and adults performed two speeded classification tasks designed to examine the relation between selective and integrative aspects of visual attention. Stimuli consisted of two parentheses (Experiment 1) or two arrows (Experiment 2) separated by 0.5 to 16° visual angle. In a selective attention task, observers classified stimuli on the basis of one of the two elements. Younger children experienced more interference when the elements were closely spaced than older children and adults. In an integrative attention task, stimuli were classified on the basis of both of the elements. Here age differences were most pronounced when elements were separated by large visual angles. These findings suggest that the ability to contract and expand the size of the attentional "spotlight" improves with age in the school years.

Original languageEnglish (US)
Pages (from-to)319-337
Number of pages19
JournalJournal of Experimental Child Psychology
Volume40
Issue number2
DOIs
StatePublished - Jan 1 1985

All Science Journal Classification (ASJC) codes

  • Developmental and Educational Psychology
  • Experimental and Cognitive Psychology

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