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Can deafness recover?

When we look at congenital blind and congenital hearing impaired people who have a higher standard of living in adulthood, most people will wish to think that hearing impaired people will be better. However, the professional survey of the North American Hearing Impaired Federation shows that the survival level and physical health of congenital blind people in adulthood are much higher than those of congenital hearing impaired people.

Because the amount of information that humans get through “listening” is much greater than “seeing.”

Today, the Chinese elderly finally believe that hearing impairment is far more troublesome than teeth and eyes. Hearing problems have become the main cause of their decline in living standards and physical and psychological problems. So they will ask: “Is my hearing problems likely to improve?” Parents of weak children will also ask: “Is my child’s hearing likely to improve?”

How does the audiologist answer?

How to face these people who are eager for a miracle?

Why can’t the human ear automatically repair hearing loss like a healing wound?

Hair cells and nerve cells that give us hearing are only produced during embryonic development. Once damaged or lost, it cannot be regenerated.

The bending or deflection of the cilia on the top of the hair cells is a special form of response to sonic vibration stimulation, which is the beginning of the conversion of mechanical energy into bioelectricity, causing hair cells to excite.

Hair cell damage

Hair cell damage is one of the main causes of sensorineural hearing loss. When hair cells are damaged by external stimuli, they cannot spontaneously produce new hair cells, so that the human ear can not consciously repair hearing loss.

What methods can be used to solve irreversible hearing loss?

1’s goal of healing damaged hair cells decades later

Researchers at the Washington University School of Medicine in St. Louis have tried to culture hair cells in vitro through growth factors, hoping to restore hearing through this method, but this work will take longer to make substantial progress in a decade. Dr. Rafael Holmer, Director of Biomedical Research at the Royal National Institute for the Deaf, said: “We have not yet rehabilitated the treatment of permanent hearing loss.”

2, choose a hearing aid as soon as possible for effective sound intervention

The method of culturing hair cells in vitro has not been clinically proven. Currently, hearing aids are an effective solution for sensorineural hearing loss.

When a hearing loss patient is diagnosed with sensorineural hearing loss, the hearing aid should be worn as early as possible to prevent the brain from becoming uncomfortable with the language without long-term contact with the sound, resulting in a gradual increase in hearing loss and affecting communication.

The growth and development process of mammals is different from that of non-mammals, and the hair cells in the inner ear cannot repair themselves, resulting in irreversible hearing loss. The human ear cannot “heal” the “wound” of hearing loss by itself.

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