Interaural asymmetries revealed by dichotic listening tests in normal and dyslexic children

Deborah W. Moncrieff, Frank E. Musiek

Research output: Contribution to journalArticlepeer-review

44 Scopus citations

Abstract

Normal and dyslexic right-handed children were assessed with three Dichotic listening tests, the Dichotic Digits test, the Competing Words subtest of the SCAN, and the Dichotic Consonant-Vowel test. Performance was measured as both number and percentage of correct responses in the right and left ears. Laterality was defined as a simple difference in percentage between the two ears. Differences across the tests were revealed for all children, with the greatest differences occurring for left-ear responses. Only one dichotic listening test, Competing Words from the SCAN, produced a consistent right-ear advantage across all of the children tested. Between groups of children, differences in performance and in laterality were demonstrated. Using a criterion of poorer than 76 percent correct for the left ear, the Competing Words subtest of the SCAN identified 7 of the 10 dyslexic children as abnormal, with no false alarms in the control group.

Original languageEnglish (US)
Pages (from-to)428-437
Number of pages10
JournalJournal of the American Academy of Audiology
Volume13
Issue number8
StatePublished - Sep 1 2002

Keywords

  • Children
  • Dichotic listening
  • Dyslexia
  • Interaural asymmetry

ASJC Scopus subject areas

  • Speech and Hearing

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