Auditory neuropathy spectrum disorder (ANSD) represents a family of hearing disorders with a continuum of behavioral presentations, ranging from mild difficulty processing speech to profound hearing loss. ANSD is a recently recognized category of sensorineural hearing loss; its specific attributes need to become familiar to health care providers and educators to ensure that they provide affected children with the most appropriate form of intervention for best language outcomes. This entry provides a description of ANSD and discusses causes of, interventions for, and management of the disorder.


ANSD, previously designated as auditory neuropathy or auditory neuropathy/dyssynchrony (AN/AD), differs from other types of sensorineural hearing loss by its site of impairment. In ANSD, there is a dysfunction at the level of the inner hair cells in the ...

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