ABSTRACT
Objective To analyze the characteristics of the speech fluency of preschool hearing-impaired children with hearing devices ,and to explore influence of different hearing devices, age, ender and intervention time on their speech fluency.Methods A total of 109 subjects of normal children and hearing-impaired children were induded in this study.They were divided into 3 groups, 30 of normal children , 28 of hearing-impaired children with hearing aids , 26 of hearing-impaired children with cochlear implants, 25 of hearing-impaired children with Cochlear implant and hearing aids.Their speech speed,pause,repetition,and prolongation in spontaneous language tasks by exploring the influence of factors such as hearing devices'' types,age, gender and intervention time difference to their speech fluency were studied.Results (1) The speed in normal children was significantly higher than those of in the other three groups(P0.05).The speech speed of children with hearing aids was higher than children with cochlear implants(P=0.045).Children with cochlear implant had more pauses than children with hearing aids(P=0.028).The speech speed of hearing-impaired children in 3.5~5 years old was lower than hearing-impaired children in 5.1~6.5 years old(P=0.042).The speech speed of hearing-impaired children who receive intervention less than 2.5 years, was higher than the children who receive intervention more than 2.5 years(P=0.002),while children who receive intervention less than 2.5 years had more pauses(P=0.047) and prolongations(P=0.002).Conclusion (1)Preschool hearing-impaired children''s speed is lower than the normal, and the times of pause and prolongation is more than the normal.(2) Different hearing devices and intervention time influence preschool hearing-impaired children''s verbal fluency, while gender have no effects.
ABSTRACT
Objective To study the validity of a new material, to verify the influence of gender and age differences on normal school children, and give advice to establishing the norms of mean nasalance for normal school children.Methods The mean nasalance of 190 school children in Shanghai was obtained by reading the new, old material and the vowel /a/,/o/,/e/,/i/,/u/, and /ü/, the mean nasalance was analyzed for the standard deviations.The gender and age score differences were compared.Results The new material was more stable than the old.In the test of /i/ and/ü/and the nasal material, the girls'' MNS was higher than the boys''.In testing the vowels /a/,/o/,/e/,/i/,/u/, and /ü/and the new material, there were differences in different ages.Conclusion The validity of new material is more stable than the old.The MNS of the normal children in Shanghai show that it is higher for the girls than the boys, and also higher for the older children than for the younger.
ABSTRACT
Objective To investigate the difference and the correlation of the vowel's phonation threshold pressure and nasalance in normal subjects .Methods The Aeroview (GLOTTAL Enterprises)with the materials /pa/,/pi/,/pu/ was used to obtain phonation threshold pressure values and The NasalviewTM (Tiger Electronics Inc .,Seattle ,Shanghai) with the materials /a/,/i/,/u/was used to obtain nasalance values .A total of 30 subjects (15 males ,15 females ,and aged 19~30) years old received the tests .The results of the vowel's phonation threshold pressure and nasalance gender score difference were compared .Results The PTP gender scores of /a/,/i/,/u/in maleswere4.53±0.70cm,5.21±0.80cm,5.87±1.45cm,andinfemaleswere4.09±0.30cm,4.47±0.30cm, and 4 .77 ± 0 .32 cm ,respectively .There were significant differences between males and females in PTP values (P 0 .05) .The na‐salance gender score differences showed that females were greater than males .There were significant differences in different vowels(P<0 .05) .This study found a weak correlation between PTP and nasalance .Conclusion The relationship between oral pressure and nasal flow cannot be accurately measured by measuring PTP ,and /pa/is a relatively suit‐able material for testing oral pressure .