An overview of the effect of stimulus type, age and dominance on the ear binaural integration

Authors

  • Caroline St-Germain
  • David Mayer
  • Marie-Ève Carrier
  • Élyse Joannette
  • Gwendoline Chénard
  • Benoît Jutras

Abstract

Objective: The aim of the present study is to assess stimulus type, age and ear dominance effect on thebinaural integration capacity of school-aged children using dichotic listening tests. Methods: Thirty-eightFrench speaking children with normal hearing sensitivity of six, eight, nine and twelve years old (28participated in Jutras & al., 2012’ study) performed the four subtests of the newly developed test in French– Écoute dichotique de chiffres (EDC), under earphones at normal conversational level. Three subtests werecomposed respectively of one, two and three different digit pairs. The forth version comprised fourdifferent digits, but only the second and third were heard simultaneously. The participants were alsoassessed with a word dichotic listening test, having the same structure than the EDC forth version, namelythe French adaptation of the Staggered Spondaic Word test (Rudmin & Normandin, 1983). Results: Datafrom the 28 participants in Jutras & al. (2012)’ study were included in the analysis in addition of the datafrom the ten children of the present study. Results on the dichotic listening tests were significantly higherwith digits than with words and improved as a function of age. Also, in general, participants obtainedhigher performance when the stimuli were presented in the right ear then when it was sent to the left ear.Conclusion: The dichotic digit listening test in French is sensitive to stimulus type and to the age of theparticipants. Results showed also a bias towards the ear tested.

Additional Files

Published

2013-06-01

How to Cite

1.
St-Germain C, Mayer D, Carrier M- Ève, Joannette Élyse, Chénard G, Jutras B. An overview of the effect of stimulus type, age and dominance on the ear binaural integration. Canadian Acoustics [Internet]. 2013 Jun. 1 [cited 2024 Nov. 23];41(2):4-13. Available from: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/2614

Issue

Vol. 41 No. 2 (2013)

Section

Article - Hearing Sciences

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