Analysis of the Patterns and Types of Consonant Errors in Adults with Functional Articulation Disorders / 听力学及言语疾病杂志

ABSTRACT

Objective To explore the clinical characteristics of consonant errors in adults with functional ar-ticulation disorders (FAD) .Methods Speech evaluations were carried out on 42 adult subjects with FAD .Then the articulation patterns and types of erroneous consonants were classified and analyzed .Results The main erroneous articulation patterns of the adults were substitution ,distortion ,followed by omission .The abnormal consonants which were classified according to the place of articulation were found as followsblade-palatal(39 cases) ,supra-dental(31 cases) ,lingua-palatal(22 cases) ,velar(19 cases) ,blade-alveolar(18 cases) ,labiodental(6 cases) and bi-labial consonant(6 cases) .Erroneous consonants which were sorted according to the error frequency by descending order lied in/sh/,/zh/,/ch/,/r/,/z/,/c/,/s/,/q/,/x/,/j/,/g/,/k/,/h/,/t/,/l/,/d/,/f/ and /p/.The error types were fronting of tongue(22 cases) ,unaspiration(12 cases) ,lateralization(12 cases) ,omission(9 cases) ,back-ing of tongue (8 cases) ,replacement by lingua-palatal(4 cases) ,bilabial(4 cases) and labiodental consonant(3 ca-ses) .Conclusion The main erroneous articulation patterns of adults with FAD are substitution and distortion .The erroneous consonants are blade -palatal ,supradental ,lingua-palatal ,velar and blade-alveolar .The error types are fronting of tongue ,unaspiration ,lateralization and omission .