Human beings brains are to use both ears to fully understand our surroundings.
Ears are like muscles: if you use them incorrectly, you may lose the ability to clearly understand speech with non hearing aid ears.
If you do not use hearing aids, it will lead to increased ear hearing loss. Over time, it is not uncommon for people who wear only one hearing aid to have hearing loss in their good ears, because this will over compensate for the poor ears. The ultimate goal of hearing aids is not only to send sound to the ear: it must also maintain the participation of auditory nerves and retrain the central auditory system in the brain. Because most hearing disorders affect both ears. If you choose a device, you will shorten one of your ears.
Heare are reasons to wear two hearing aids
If you don't believe that wearing two hearing aids is the best, here are six reasons why wearing two hearing aids is more beneficial. Better noise hearing - if the signal reaching each ear takes a slightly different time under the control of a hearing aid, an individual's noise hearing can be improved by three times. This is technically called a "phase". When the brain receives slightly different but still audible signals in two ears, it can better cross correlate and process the main signals (usually speech), rather than receiving signals in one ear.
11. Reduce tinnitus - tinnitus is the official term for what most people call "tinnitus". It is usually caused by trauma caused by hearing loss. Short term or long-term high noise exposure can do two things: it wears out fine inner ear hair cells, which can lead to hearing loss, but it also causes a loud feeling due to the lack of stimulation of the nerves used to transmit sound information to the brain. Research shows that wearing two hearing aids can provide bilateral amplification function and reduce or eliminate tinnitus; However, when a person uses only one hearing aid, the same result is not found.
12. Improve clarity - with only one hearing aid, a person can hear louder voices on one side, but this does not always bring the clear and understandable speech he or she expects. The research shows that compared with unilateral amplification, the speech perception is improved by 5% when using bilateral amplification. In addition, bilateral amplification provides brightness, clarity, fullness, loudness, proximity, smoothness, fullness and spaciousness, while unilateral amplification cannot.
13. Improved location capability - location is our ability to identify the direction or location of the sound source. When others talk to us, it is important to be able to recognize where they are. If we can't find them, it's hard for our brain to focus on what they say to us. The brain determines where the sound comes from based on three factors: 1) the relative time when the sound reaches each ear, 2) the relative difference in loudness between the two ears, and 3) the relative difference in tone between the two ears. When there are great differences in hearing between two ears (this may happen when people with similar hearing in two ears only wear a hearing aid), the brain cannot take advantage of these subtle relative differences, and their ability to locate sound may be affected.
14. Sound buffer - if you only wear a hearing aid, the device must pick up the sudden loud noise by itself. The volume setting of binaural hearing aid wearers must be lower than that of people who only wear one hearing aid, which enables them to withstand higher sounds.
Satisfied - hearing aids may take days or weeks to get used to, but individuals usually
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