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  Contents > Previous page > Article detail print Order
o Issue N# 1 - 2012 o

PHONIATRICS

Free sorting task of speech disorders by expert and non-expert listeners


Authors : Woisard V, Gaillard P, Duez D. (Toulouse)

Ref. : Rev Laryngol Otol Rhinol. 2012;133,1:9-17.

Article published in french
Downloadable PDF document french



Summary : Understood the strategies underlying the perception of speech motor disorders (SMD) is useful for the management of people with this kind of disorders. Our hypothesis was that intelligibility of speech is a dramatic decision factor for the classification of speech production independently of the type of listeners. Two types of listeners: 15 experts (logopedists and phoniatricians), and 15 non experts (students in the field of heath care without any experience) participated at this study performing a free sorting task of 33 stimuli. The stimuli are a sentence readed by 13 control subjects and 20 subjects with a SMD of several kinds of etiologies. The methodology used for the analysis is the visualization of proximity trees by a sorting mathematical algorithm and the analysis of the free commen­taries as a discourse. The results confirm that the degree of alteration of intelligibility is the main factor distri­buted in the sorts, but the reference to the “normality” is an other strong criteria and this notion is frequently associated with a descrip­tion of the stimuli at a level of voice more than a level of speech. These results lead to a new hypothesis of a classifi­ca­tion of perception of speech included a speech disor­ders, deter­mined at an extremity by a comparison with a “proto­type of normality” and at the other extremity by the characteristic of “intelligibility or understandibility” reinfor­cing some concepts of speech rehabilitation.

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