![]() Evidence for this comes from lesion studies in human patients who have sustained damage to cortical areas through tumors or strokes, or from animal experiments in which cortical areas were deactivated by cooling or locally applied drug treatment. 1 Function of the Primary Auditory Cortexįunction of the Primary Auditory Cortex Īs with other primary sensory cortical areas, auditory sensations reach perception only if received and processed by a cortical area.To start your journey to improved hearing, contact us now. Our hearing aids are pre-programmed to the most common types of hearing loss and do not require a trip to the audiologist. Your doctor will be able to tell you what you specifically need from a hearing aid, and whether there are any other treatments available.Īt Advanced Affordable Hearing, we help people hear better at a price they can afford. As this type of hearing loss is extremely rare, it's important to discuss your case with a specialist doctor. However, a majority of the time, merely coping strategies are advised. Sometimes, it is possible for a patient to have some, or a small part, of their hearing restored. Treatments and Coping with Cortical Deafness In contrast to conductive hearing loss, cortical deafness is not caused by the inability of sound to travel through the ear, but the inability to process and make good use of this information. Interestingly, cortical deafness can be difficult to diagnose, as no apparent damage occurs in the ear.įor comparison, conductive hearing loss is often thought of as auditory agnosia, a condition categorized by the sufferer's inability to differentiate between different sounds and noises. Likewise, low to high frequency sounds are incomprehensible or difficult for the patient to perceive. The Level of Hearing in Cortical DeafnessĪs an auditory disorder, cortical deafness causes the patient difficulty in hearing all types of sound. It should be noted that cortical deafness is very rare, with only twelve reported cases. In most cases, a bilateral embolic stroke, which has affected a specific area of the Heschl's gyri, is the cause of the damage. The primary auditory cortex is located inside the brain's temporal lobes. Most often, cortical deafness is caused by a bilateral cortical lesion in the primary auditory cortex. This part of the ear performs crucial functions in the listening process and is where auditory information is processed. This hearing loss type is caused by damage to an area in the inner ear called the primary auditory cortex. What is Cortical Deafness?Ĭortical deafness, also called central hearing loss, is a form of sensorineural hearing loss. Today, we are taking a deeper look into a lesser common form of hearing loss: cortical deafness. This is why we aim to offer information about each hearing loss type to help you make the right choices, as well as save time and money. ![]() Having a good understanding of different hearing losses can empower sufferers to make informed choices about the best next steps.
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