Your ears are one of the most important sensory organs of your body and yet you manage to neglect it the most. They do their job in silence and hardly vie for your attention, but when they do, they do it with a vengeance. Ear infections can be painful and cause much trouble if you end up having one.
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Hearing is something most of us take for granted. But have you ever thought about those who eventually lose the ability to hear, or those who cannot hear at all? Well, we asked Dr Reddy Sivaprasad, Head – Training & Clinical Devt. Amplifon (India) Pvt. Ltd about hearing loss and how people with the decreased ability to hear can get tested.
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Tinnitus, ringing in the ear, the annoying constant noise in the head. Scientists define it as ‘a perception of sound without corresponding acoustic or mechanical correlates in the cochlea’. In other words, tinnitus is a perception of sound in the absence of an actual external sound. Thankfully, it’s not a serious health disorder but it can be one of the most distressing ear problems, causing various physical and psychological disorders that interfere with the quality of life. It is difficult to describe the sound of tinnitus through language. The sound varies; some people may hear it as a hissing sound, others like a tea kettle whistling, or a sort of electricity noise, or even as humming. Sound waves travel from outside through the outer ear to the ear canal, and from there to the middle and inner ear. There are tiny delicate hairs in your inner ear which move according to the pressure of sound waves and help transform sound waves into electrical signals. These signals then travel to the brain’s auditory cortex via the auditory nerve. When hair cells are damaged, that is, bent or broken, they can leak electrical impulses to the brain. So, the brain doesn’t receive the signals it is expecting. This stimulates abnormal activity in the neurons, which results in the illusion of sound, or tinnitus.
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