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Applicability of Central Auditory Processing Disorder Models

Université de Montréal, and Sainte-Justine Hospital Pediatric Research Centre, Montreal, Quebec, Canada

Monique Loubert and Jean-Luc Dupuis

Institut Raymond-Dewar, Montreal, Quebec, Canada

Caroline Marcoux

Centre de readaptation InterVal, Trois-Rivieres, Quebec, Canada

Véronique Dumont

Institut Raymond-Dewar

Michèle Baril

Université de Montréal

Contact author: Benoît Jutras, School of Speech Pathology and Audiology, University of Montreal, P.O. Box 6128, Downtown Station, Montreal, Quebec, Canada, H3C 3J7. E-mail: benoit.jutras{at}umontreal.ca.

Purpose: Central auditory processing disorder ([C]APD) is a relatively recent construct that has given rise to 2 theoretical models: the Buffalo Model and the Bellis/Ferre Model. These models describe 4 and 5 (C)APD categories, respectively. The present study examines the applicability of these models to clinical practice. Neither of these models was based on data from peer-reviewed sources.

Method: This is a retrospective study that reviewed 178 records of children diagnosed with (C)APD, of which 48 were retained for analysis.

Results: More than 80% of the children could be classified into one of the Buffalo Model categories, while more than 90% remained unclassified under the Bellis/Ferre Model. This discrepancy can be explained by the fact that the classification of the Buffalo Model is based primarily on a single central auditory test (Staggered Spondaic Word), whereas the Bellis/Ferre Model classification uses a combination of auditory test results.

Conclusion: The 2 models provide a conceptual framework for (C)APD, but they must be further refined to be fully applicable in clinical settings.

Key Words: central auditory processing disorder, hearing disorders

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