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Hearing loss is so common that it’s long been considered a normal part of the aging process and no great cause for alarm.
In one study involving nearly 2,000 men and women age 75-84, Lin and his colleagues found that over six years, cognitive abilities (including memory and concentration) of those with hearing loss declined 30 to 40 percent faster than in people with normal hearing. A 2011 study of some 600 older adults found that those with hearing loss at the beginning of the study were more likely to develop dementia than adults with normal hearing. Another study by Lin and his colleagues found accelerated rates of brain atrophy in people with impaired hearing compared with those who had normal hearing. Gurgel, Lin and others are now focused on finding out whether hearing loss causes dementia or is related to dementia.
There are three main theories for how hearing loss may contribute to cognitive decline and dementia, Lin said. Though estimates on hearing loss vary, the National Institute on Deafness and Other Communication Disorders estimates that nearly 25 percent of those age 65 through 74 and 50 percent of those 75 and older have disabling hearing loss.
And though millions could benefit from hearing aids, few of us use them; among adults 70 and older with hearing loss who could benefit from hearing aids, fewer than one in three (30 percent) use them. Cochlear implants give people who have hearing loss an awareness and understanding of sound.
Cochlear implants are effective for people who have a problem with the inner ear, as opposed to the eardrum or the ear bones. Our goal at the Listening Center is to make sure that a person receiving a cochlear implant can listen and communicate effectively in all settings, whether it’s in a quiet room, at church or in a crowded restaurant.
Researchers at Johns Hopkins and the National Institute on Aging compared two groups of adults – one group with normal hearing and another with impaired hearing. Although all people’s brains shrink as we age, for those with hearing issues the shrinkage appeared to happen faster. This raises the question whether hearing loss is in fact a risk factor for the development of dementia.
Dr Lin feels that brain shrinkage in those particular areas may be due to an “impoverished” auditory cortex, which is affected by a lack of stimulation. Other research has shown similar results, in that there was a marked difference in the structure of the brains of those with normal hearing compared to those with impaired hearing.
Our experienced and licensed professional audiologists provide a full range of diagnostic care and hearing aid services that will improve the quality of your hearing. Audiology Island provides hearing evaluations and habilitation services for infants and children of all ages and developmental levels. Audiology Island offers the highest quality and service of hearing aids and hearing evaluations for all ages in Staten Island, New York.

Unlike traditional hearing aids, Lyric’s small size and placement in the ear canal make it totally invisible. At Audiology Island our highly qualified doctors of audiology, can ensure you get an accurate diagnosis of the etiology of your dizziness, and will implement appropriate treatment, so that you can live your lives to the fullest, without fear of falling, causing an accident, or losing the level of activity you once enjoyed. As we have mentioned in our previous blog post, May is Better Hearing and Speech Month, and we have been doing community outreach by giving presentations and educating Staten Islanders on different hearing related topics.
Being on television was a great experience where we were able to raise awareness about hearing disorders and promote treatment that can improve the quality of life for those Staten Islanders who experience hearing problems. But studies from Johns Hopkins University have found links between hearing loss, cognitive decline and dementia.
Frank Lin, assistant professor at Johns Hopkins and an otologist and epidemiologist who studies the effects of hearing loss on older adults. In fact, the more severe the hearing loss, the more likely they were to develop dementia; volunteers with mild, moderate and severe loss were two, three and five times more likely to develop dementia than those with normal hearing. Hearing impairment may directly contribute to accelerated rates of atrophy in parts of the brain that process sound. People who have a hard time hearing often withdraw because it’s so difficult to communicate with others. About 26 million Americans age 20 to 69 have high-frequency hearing loss due to noise exposure.
Even fewer adults age 20 to 69 (about 16 percent) who could benefit from hearing aids use them.
Once used almost exclusively for children born deaf, the small, electronic devices implanted behind the ears are now being widely used in older adults. Frank R.
As our population ages, especially with the baby boomer generation, more people are seeking solutions. When the inner ear degrades to a point where a person has severe or profound hearing loss, hearing aids are no longer beneficial. An audiologist will perform hearing and speech tests to make sure you are a candidate for a cochlear implant. To achieve this goal, the person meets with a therapist to begin hearing rehabilitation shortly after surgery, and the person will also work closely with an audiologist for adjustments to the implant. Learn how cochlear implants are helping patients of all ages who have hearing loss that cannot be remedied by hearing aids. He believes that the shrinkage could be linked with a greater risk of dementia, injury due to falls, hospitalisations, and a general impairment of physical and mental health.
More research will be needed to determine how the two conditions affect each other and whether the link is actually there.

Our comprehensive, multi-disciplinary approach identifies and addresses medical, psychological and hearing needs that contribute to tinnitus severity. Lyric allows you to enjoy the benefits of better hearing without anyone ever knowing you’re wearing a hearing aid. Frank Lin and his colleagues at Johns Hopkins University found a strong link between degree of hearing loss and risk of developing dementia. That means that it may be a greater health threat than imagined and that measures as simple as hearing aids could have a huge influence on healthy brain function.
Richard Gurgel, assistant professor of otolaryngology-head and neck surgery at University of Utah Health Care, studied more than 4,400 men and women 65 and older; those with hearing loss at the beginning of the study (published in 2014) developed dementia at a higher rate and earlier than those without hearing loss.
I think hearing loss could be a very important component, but there are certainly a lot of factors that play into dementia,” Gurgel said. Numerous studies have found that a loss of engagement and loneliness are risk factors for cognitive decline. We think up to 250,000 Americans older than 70 could benefit from a cochlear implant, but fewer than 5 percent of these individuals have received one.
It’s best to have your hearing evaluated sooner rather than later, as hearing loss is related to other issues such as falls, cognitive decline and dementia. Similar to individuals who require a prosthetic limb, those receiving a cochlear implant need adequate time and rehabilitative training to learn how to use the device and to reach their full potential.
Zhanneta Shapiro were invited to Staten Island Community Television to talk about a recent study that found a link between Hearing loss and Alzheimer’s. Individuals with mild hearing loss were twice as likely to develop dementia as those with normal hearing, those with moderate hearing loss were three times more likely, and those with severe hearing loss had five times the risk. Just 15 years ago, 70 percent of the cochlear implants we did were in children and 30 percent were in adults. We think that’s because the brain has to rededicate resources to help with hearing, which comes at the expense of other brain processes such as thinking and memory. While this study could not definitively conclude that early treatment with hearing aids would reduce the risk of dementia, there was a positive correlation between degree of hearing loss and risk of dementia (Lin et al., 2011).
If testing reveals that you are a candidate for an implant, the surgery takes about two hours and will be performed on an outpatient basis.

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18.11.2014 admin

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