<unk>  is a rare form of sensorineural hearing loss caused by damage to the primary auditory cortex.<unk>  is an auditory disorder where the patient is unable to hear sounds but has no apparent damage to the anatomy of the ear (see auditory system), which can be thought of as the combination of auditory verbal agnosia and auditory agnosia. Patients with<unk>  cannot hear any sounds, that is, they are not aware of sounds including non-speech, voices, and speech sounds. Although patients appear and feel completely deaf, they can still exhibit some reflex responses such as turning their head towards a loud sound.
Cortical deafness
Post-lingual deafness
Nonsyndromic deafness
Prelingual deafness
Childhood blindness
Optic nerve hypoplasia
Surface dyslexia
Phonological dyslexia