Due to lesions of the cochlea and the auditory division of the eighth cranial nerve; problem of cellular dysfunction rather than airborne conduction.

Sensorineural hearing loss (SNHL) is a type of hearing loss in which the root cause lies in the inner ear, sensory organ (cochlea and associated structures), or the vestibulocochlear nerve (cranial nerve VIII). SNHL accounts for about 90% of reported hearing loss...