Auditory neuropathy spectrum disorder in children: audiological features and the role of speech therapist / Almanac #45 / Archive / Альманах Института коррекционной педагогики
ALMANAC Institute of Special Education
Almanac #45 "30 years of cochlear implantation in Russia"

Auditory neuropathy spectrum disorder in children: audiological features and the role of speech therapist

M.R. Lalayanz National Recearch Centre For Audiology And Hearing Rehabilitation. Russian Medical Academy of Continuous Professional Education, Moscow

Auditory neuropathy spectrum disorder label incorporates patients with hearing loss of different etiologies and pathogenesis, but united under that label due to the presence of pre-neural cochlear responses such as otoacoustics emission and cochlear microphonics and absent or grossly abnormal neural responses – auditory brainstem responses are usually absent These electrophysiological data indicate that outer hair cells are preserved, but there are some lesions in the auditory pathway on the way from inner hair cells to brainstem. Different options for lesion localization predispose broad spectrum of clinical features and rehabilitation outcomes in these patients. Standard objective tests based on auditory brainstem responses measurement do not predict neither hearing thresholds nor optimal rehabilitation strategy for a child with auditory neuropathy spectrum disorder. Assessing behavioral hearing thresholds and sound discrimination abilities during testing provided by speech therapist are crucial for chousing optimal rehabilitation strategy for children with auditory neuropathy spectrum disorder.

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