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Last updated date: 29th Nov 2023
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MVSAT Dec 2023

Can you explain the hearing mechanism?

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Hint: Hearing, also known as auditory perception, is the ability to detect sounds by detecting vibrations, changes in the pressure of the surrounding medium over time, via an organ such as the ear. Auditory science is the academic discipline concerned with hearing.

Complete answer:
Sound can be perceived as solid, liquid, or gaseous matter. It is one of the five traditional senses. Hearing loss refers to the inability to hear, whether partial or total.
Hearing is primarily performed by the auditory system in humans and other vertebrates: mechanical waves, known as vibrations, are detected by the ear and converted into nerve impulses that are perceived by the brain (primarily in the temporal lobe). Audition, like touch, necessitates sensitivity to the movement of molecules in the world outside the organism. Hearing and touch are both types of mechanosensation.
The mechanism consists of six steps.
1. Sound enters the ear canal, causing the eardrum to move.
2. The eardrum will vibrate in response to the various sounds.
3. These sound vibrations travel to the cochlea via the ossicles.
4. The fluid in the cochlea travels like ocean waves as a result of sound vibrations.
5. The movement of fluid, in turn, causes the hair cells to grow. Any neural signals produced by the hair cells are picked up by the auditory nerve. Hair cells at one end of the cochlea transmit low-frequency sound information, while hair cells at the other end transmit. high-frequency sound information.
6. The auditory nerve transmits signals to the brain, which converts them into recognizable and meaningful sounds.

Hearing loss affects people of all ages and is caused by a variety of factors. Sensorineural hearing loss, conductive hearing loss, and mixed hearing loss are the three main types of hearing loss.