cortical deafness

Cortical deafness is extremely rare, with only twelve reported cases.

Lesions to the auditory radiations could be a cause of cortical deafness.

Cortical deafness is a form of sensorineural hearing loss caused by damage to the primary auditory cortex.

Sometimes this agnosia is preceded by complete cortical deafness of varying duration, however this is not always the case.

Patients with cortical deafness cannot hear any sounds, that is, they are not aware of sounds including non-speech, voices, and speech sounds.

It is thought that cortical deafness could be a part of a spectrum of an overall cortical hearing disorder.

In this situation, Cortical deafness, sounds may be heard at normal thresholds, but the quality of the sound perceived is so poor that speech cannot be understood.

Cortical deafness is caused by bilateral cortical lesions in the primary auditory cortex located in the temporal lobes of the brain.

In some cases, patients with cortical deafness have had recovery of some hearing functions, resulting in partial auditory deficits such as auditory verbal agnosia.

Phonagnosia is an auditory agnosia, an acquired auditory processing disorder resulting from brain damage, other auditory agnosias include Cortical deafness and Auditory verbal agnosia also known as pure word deafness.

Cortical deafness is an auditory disorder where the patient is unable to hear sounds but has no apparent damage to the anatomy of the human ear (see auditory system), which can be thought of as the combination of auditory verbal agnosia and auditory agnosia.