HEARING LOSS ACCELERATES THE DECLINE
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Over the years , the size and brain functions are reduced and contraction appears to be accelerated in people who have suffered hearing loss . And ' what emerges from a study conducted by researchers at Johns Hopkins and the National Institute on Aging. The findings add new information to a growing list of consequences associated with hearing loss, including an increased risk of dementia , falls, hospitalizations...
Dr. Frank Lin and colleagues compared the brain changes over the course of several years between adults with normal hearing and hearing-impaired adults. Overall , people with hearing problems have lost more than a cubic centimeter of brain tissue each year than those with normal hearing. Those with hearing problems also had significant tissue loss in certain regions, including the superior temporal gyri , middle and lower brain structures responsible for the development of sound and speech. The shrinkage in these areas could simply be a consequence of a atrophy date by the lack of stimuli. But these structures do not work in isolation, and are not limited to functions related to sounds and language. The middle and inferior temporal gyri , for example, also plays an important role in memory, attention and concentration.
"The structures that process information from the sound tend to be smaller in people with hearing problems, but we do not know whether these structural differences in the brain occurred before or after the hearing loss," says Lin.
The study suggests an urgency for the treatment of hearing loss , which should not be ignored. " If you want to deal properly hearing loss ," concluded Lin " you should do so as soon as possible : hearing loss should be treated before the changes of brain structures occur."
Source: Worldhealth
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