Hearing is very important for humans to be able to learn linguistics and even about culture. It is difficult for us to appreciate that we can hear properly until the time comes that we loss it. It is important for us that we are able to prevent this by learning about the common causes of hearing loss and how our sense of hearing works.

To be able to work, there are five sections of the human body that work together for the hearing mechanism to work. These sections that are involved in the hearing mechanism are the acoustic nerves, the inner, middle and outer ear, and the brain’s auditory processing centers. For us to have perfect hearing, these five sections should function together properly, any one of these five that might encounter any problem can possibly lead to permanent hearing loss.

Sound vibrations are collected by the outer ear and it funnels them to the ear canal, making this the first step in the hearing mechanism. The brain can process where a sound’s origin is and how far it is with the help of the outer ear. The ear canal then follows the outer ear part and this prevents dusts and other tiny foreign matter from entering the ear.

The ear canal is then followed by the eardrum after which is where the middle ear starts, and there are three important bones can be found here. These bones are called hammer, anvil and stirrup, they are all responsible in making movements to match the sound waves gathered by the outer ear. The movement made by these three bones are pushed from the middle ear to a membrane in the cochlea that is located in the inner ear.

This part of the inner ear is filled with flluid as well as tiny hair cells. The fluid inside the cochlea is disrupted by the mechanical energy pushing on the membrane, then the tiny hair cells are stimulated. These tiny hair cells are then stimulated by different frequency that not all can be stimulated by a single sound frequency at the same time.

The stimulated hair cells send signals that are converted into nerve impulses which are to be carried away the acoustic nerve into the brain. The converted nerve impulses are then processed by the central auditory system as it travels to the brain. Sound is recognized by localizing it or identifying it source from recognizing patterns and differences from previous sound experience.

These are the important facts about how a person’s sense of hearing works. Permanent hearing loss can result from damage, abnormality or malfunction of any of these sections of the hearing mechanism. The following section, we try to make people understand how hearing loss comes about so people can prevent it.

Birth defects or birth abnormality are not just the cause of hearing loss, a lot of different factors may contribute to a person’s loss of hearing. A person whose job is to be in very noisy and loud surroundings like construction yards and airports is at risk of losing their sense of hearing. Explosions can also temporarily cause hearing loss and in some other cases even permanent.

Aside from the ones mentioned already, diseases can also make a person lose their sense of hearing. A person’s hearing can be affected by some types of medication and ototoxic chemicals. The information given in this article is useless unless put into action.

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