Co morbidity rates of hearing loss in children with autism spectrum disorder are high and increasing. Investigators are aiming to: 1. evaluate peripheral auditory and brain stem auditory function in children with autism spectrum disorder. 2. compare communication capabilities in autistic children having hearing abnormalities and autistic children with normal hearing.
Full audiological evaluation is carried out to all participants including: * pure tone and speech audiometry. * Tympanometry and acoustic reflex threshold evaluation. * Threshold auditory brain stem response for threshold determination in non co operative children not respond to pure tone,speech audiometry. * Auditory brain stem response for neuro-otologic diagnosis. * Transient evoked otoacoustic emissions in children proved to have normal hearing to detect minimal cochlear affection . * Transient evoked otoacoustic emissions with contralateral masking. Communication evaluation is carried out to all participants using arabic language test(kotby et al,1995). Investigators use childhood autism rating scale for (CARS) for diagnosis of autism spectrum disorder.
Study Type
OBSERVATIONAL
Enrollment
80
Number of autistic participants suffering from hearing abnormalities.
Invistigators choose autistic children attending phoniatric unit in assiut university from october 2017 to october 2020 as they will go under complete audiological evaluation.
Time frame: 3 years from october 2017 to october 2020
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