The research study was conducted for the purpose of examining the influence of mild bilateral sensorineural hearing loss (MBSNHL) on developmental abilities of younger school-age children. The sample encompassed 144 children with MBSNHL, aged 7.5-11 (M = 8.85). MBSNHL (20-40 dB HL) was identified by pure tone audiometry. The control group encompassed 160 children with normal hearing. The Acadia test of developmental abilities was used for assessment of developmental abilities. Although statistically significant differences between participants with MBSNHL and those with normal hearing were established in the majority of estimated developmental abilities domains, those differences do not indicate any significant delay in development of assessed abilities, except in the domain of auditory discrimination. The obtained results call for a systematic approach to children with MBSNHL in elementary schools.
Testing for abstract words showed a statistically significant difference between the cochlear implanted and the hearing impaired children with hearing aids (Mann-Whitney U-test, p = 0.019) implying considerable advantage of cochlear implants over hearing aids regarding successful speech development in prelingually deaf children.
The current study is a preliminary examination of cognitive profiles and cortical distribution of the spectral power of different electroencephalogram (EEG) rhythms in children with specific language impairment and subclinical epileptiform discharges. Although a number of empirical studies point to higher incidence of abnormal EEGs in children with specific language impairment, only a few studies were found examining electrophysiological characteristics, such as locus of discharges and connections with cognitive functioning in this population of children. The sample included 12 children with specific language impairment (SLI) and abnormal EEG who underwent testing of cognitive functioning using the Wechsler Intelligence Scale for Children (WISC). The control sample included 13 children with specific language impairment and regular EEG. Results point to lower scores on several subtests of the performance scale for children with abnormal EEG than for the group with regular EEG. Detailed EEG analysis of cortical distribution of the spectral power of different EEG rhythms partially confirms the results of neuropsychological assessment, pointing to abnormal function of frontal and temporal regions. Higher values of spectral power of the delta brain rhythm in frontal regions are associated with lower results on the WISC performance scale. Results are discussed in the context of subgroups of the population of children with SLI.
Communication skills of CI children evaluated by FAPCI are falling behind normatives for normal hearing children 18.6 months on the average. Hearing age, duration and intensity of rehabilitation have positive predictive value for communication skills development. Later identification of hearing loss and later cochlear implantation lead to delayed development of communication skills.
Cilj ovog rada bio je utvrđivanje uticaja kompenzacije pritiska u srednjem uvu na veličinu odgovora distorzionih otoakustičkih emisija (DPOAE) na frekvencijama od 1 do 6 kHz. Ispitivanje je obavljeno na 150 pacijenata, unutar pola i tri starosne grupe (2-15; 16-40; 41-71 godine). Pritisak u srednjem uvu je varirao od negativnog do pozitivnog (-329 do 195 daPa). Povećanje pritiska pri kompenzaciji za 1 daPa dovelo je do povećanja amplituda pri frekvencijama od 1.0, 1.3 i 1.6 kHz za 0,02, 0,03 i 0,02 dB SPL (decibel nivoa zvučnog pritiska), a nivoa buke pri frekvencijama od 1.0 do 2.0 kHz, uslovljavajući povećanje od 0,02 do 0,03 dB SPL. Kompenzacioni tretman je doveo do povećanja odgovora DPOAE (amplitude i nivoa buke). Povećanje amplituda je bilo najveće na frekvencijama manjim od 2 kHz unutar nivoa oba ispitivana uticaja. Kompenzacija pritiska uticala je stimulativno na detektabilnost DPOAE, čime se povećava pouzdanost 1 Rad je proistekao iz projekta "Uticaj kohlearne implantacije na edukaciju gluvih i nagluvih osoba" ON 179055, čiju realizaciju finansira Ministarstvo prosvete, nauke i tehnološkog razvoja Republike Srbije.2
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