Effects of Age, Sex, and Disorder on Voice Range Profile Characteristics of 230 Children

Author:

Wuyts Floris L.1,Heylen Louis1,Rooman Raoul1,Mertens Fons1,Van de Heyning Paul H.1,Caju Marc Du1,De Bodt Marc1

Affiliation:

1. Antwerp, Belgium

Abstract

In this study, the effect of age, sex, and disorder on the vocal performance of 230 children 6 to 11 years of age was investigated by means of the voice range profile (VRP). Ninety-four control children and 136 children with disorders were studied. The VRPs were quantitatively described by frequency and intensity characteristics, as well as by morphological characteristics. Significant differences between healthy children and children with disorders were found. Age has a different effect in girls than in boys regarding vocal performance. Most of the characteristics for the healthy girls change gradually over the period from 6 to 11 years. For the healthy boys, however, Two age groups can be identified: one below and one above 8 years of age. It is hypothesized that the androgen dehydroepiandrosterone (DHEA) and its sulfate may play a role in this phenomenon.

Publisher

SAGE Publications

Subject

General Medicine,Otorhinolaryngology

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