Scientifically Use "Ears" to Protect the Brain

Modern people like to use noise-canceling headphones to isolate external noise, but did you know that noise-canceling headphones can also cause harm to the brain?

Noise-canceling headphones are divided into active noise-canceling and passive noise-canceling.

Because passive noise-canceling uses a closed method to isolate the ear canal from the air exchange with the outside world, wearing it for a long time will cause uneven pressure inside and outside the ear. It is necessary to take it off after wearing it for a certain period of time to relax the ears.

Active noise-canceling is to obtain the surrounding noise sound waves, and then the headphones send out reverse sound waves to offset the noise, so that our ears no longer recognize it, achieving the effect of noise reduction.

The human body's processing of hearing is not just the function of the ears. The brain needs to convert the received electrical impulses into understandable sound information. This process involves the level of speech, sentences, and even thoughts. If the brain receives noise-canceling sound signals for a long time, it may lose the ability to analyze complex sound fields.

Using noise-canceling headphones for up to 5 hours a day may make the brain slow in processing background noise. Auditory processing disorder (APD) is a condition that prevents the brain from effectively decoding the surrounding environmental sounds.

This means that even if the patient can hear the sound, it is difficult to identify the source of the sound, determine the speaker, and understand the speech.

It is not until the late teens that the brain develops more complex and advanced hearing abilities. If you wear noise-canceling headphones from your teens, your ability to process speech and noise may be delayed. Therefore, teenagers should manage the time they wear noise-canceling headphones reasonably.

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