Biomaterial Database

Comparing tongue positioning by normal-hearing and hearing-impaired children during vowel production. 1992

P A Dagenais, and P Critz-Crosby

University of Alabama, Birmingham.

Glossometric measures of tongue positions of 10 normal-hearing (NH) and 10 profoundly hearing-impaired (HI) children were compared during production of the eight vowels /i,I,E,ae,u,U,o,a/. The NH subjects used tongue positions with distinct vertical distances from the hard palate and discrete tongue shapes to distinguish the front vowels and the back vowels. The HI subjects produced vowels using a reduced vertical range and singular flat, high-back tongue shape. Token-to-token variability was greater for the HI subjects. Listener identifications of the vowels produced by the HI subjects fell in three categories: highly variable responses to /i/, low vowels for /I,E,ae,a/, and back vowels for /u,U,o/. The centralized, generally undifferentiated tongue positions and listener identifications for the HI subjects coincided with suppositions made from previous perceptual, acoustic, and physiologic findings.

UI	MeSH Term	Description	Entries
D002648	Child	A person 6 to 12 years of age. An individual 2 to 5 years old is CHILD, PRESCHOOL.	Children
D002663	Child Language	The language and sounds expressed by a child at a particular maturational stage in development.	Child Languages,Language, Child,Languages, Child
D006311	Hearing Disorders	Conditions that impair the transmission of auditory impulses and information from the level of the ear to the temporal cortices, including the sensorineural pathways.	Distorted Hearing,Dysacusis,Paracousis,Paracusis,Hearing Disorder,Hearing, Distorted
D006801	Humans	Members of the species Homo sapiens.	Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000293	Adolescent	A person 13 to 18 years of age.	Adolescence,Youth,Adolescents,Adolescents, Female,Adolescents, Male,Teenagers,Teens,Adolescent, Female,Adolescent, Male,Female Adolescent,Female Adolescents,Male Adolescent,Male Adolescents,Teen,Teenager,Youths
D001184	Articulation Disorders	Disorders of the quality of speech characterized by the substitution, omission, distortion, and addition of phonemes.	Phonological Impairments,Speech Articulation Disorders,Articulation Disorders, Developmental,Developmental Articulation Disorders,Disarticulation Disorders,Misarticulation,Phonology Impairment,Unintelligible Articulation,Articulation Disorder,Articulation Disorder, Developmental,Articulation Disorder, Speech,Articulation Disorders, Speech,Articulation, Unintelligible,Articulations, Unintelligible,Developmental Articulation Disorder,Disarticulation Disorder,Disorder, Disarticulation,Disorders, Disarticulation,Impairment, Phonological,Impairment, Phonology,Impairments, Phonological,Impairments, Phonology,Phonological Impairment,Phonology Impairments,Speech Articulation Disorder,Unintelligible Articulations
D013060	Speech	Communication through a system of conventional vocal symbols.	Public Speaking,Speaking, Public
D013068	Speech Production Measurement	Measurement of parameters of the speech product such as vocal tone, loudness, pitch, voice quality, articulation, resonance, phonation, phonetic structure and prosody.	Measurement, Speech Production,Measurements, Speech Production,Production Measurement, Speech,Production Measurements, Speech,Speech Production Measurements
D014059	Tongue	A muscular organ in the mouth that is covered with pink tissue called mucosa, tiny bumps called papillae, and thousands of taste buds. The tongue is anchored to the mouth and is vital for chewing, swallowing, and for speech.	Tongues
D014706	Verbal Learning	Learning to respond verbally to a verbal stimulus cue.	Learning, Verbal,Learnings, Verbal,Verbal Learnings