Which is better, hearing aid or cochlear implant

Many people have doubts about the choice of hearing aids and cochlear implants. Basically, they will ask which one is better?

In fact, there is no conflict between hearing aids and cochlear implants. If the hearing loss is serious or even there is no hearing, cochlear implants can be selected; if the degree of hearing loss is small, hearing aids can be selected for assisted rehabilitation.

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Hearing aids only amplify the sound. However, the principle of this kind of sound amplification is different from that of microphone sound unified amplification. Instead, the part with hearing loss is selected for amplification. The premise of using hearing aid is that the patient has residual hearing, that is, the residual hearing of the patient is generally below 85 decibels. In this way, the patient still has effect after using hearing aid. Of course, the residual hearing of some patients is over 85 decibels, and they can also hear sound when wearing hearing aids. However, the clarity of this sound is very poor. They often communicate with people face to face, only hear the sound, but they don’t know what others say.

The cochlear implant is generally suitable for those who have no residual hearing, or whose residual hearing is over 85 decibels, and whose effect of using hearing aids is very poor. People have an auditory organ called cochlea, which has auditory sensory nerve. When the auditory receptor is damaged, it can’t transform the external sound and energy into the nerve pulse of the auditory system, and people can’t hear the sound. The role of < a href = "http://www.sqhearing.com/tlkp/535.html" target = "blank" > cochlear implant < / a > is to stimulate the auditory nerve directly by using electric current, so that it can generate pulses, but such pulses must have the same function as cochlear, and have the ability to program sound, also known as coding function. Then, the auditory organ arranges the sound into a neural code, which is decoded by the cerebral cortex and becomes the language signal that can be accepted and recognized by the human brain.

Whether it is suitable to wear hearing aids or cochlear implants, or it needs to be considered comprehensively according to the hearing loss of patients.

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