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Hearing Loss May Signal Cognitive Decline: How Hearing Aids Help


Losing our hearing as we age can be scary. It causes changes beyond just the ability to hear things properly. Hearing loss modifies the way we perceive the world. It may even alter our brains in dramatic ways over time. Discover how hearing loss might indicate cognitive decline and what you can do to try to prevent this from happening.

 Cognitive Decline and Hearing Loss

Scientists aren’t precisely sure how hearing loss relates to cognitive decline and dementia, but there are studies that show a correlation between both. What scientist found is that people with hearing loss have greater chances of cognitive decline versus those that don’t show any hearing difficulties.

Johns Hopkins Study

A study published in 2013 by Johns Hopkins University followed nearly 2,000 people with an average age of 77. Researchers found that people who had deafness that interfered with normal conversations were 24 percent more likely to have diminished cognitive functions. This particular study followed participants for six years, and the basic conclusion was that hearing loss, especially in older adults, may indeed speed up dementia and the decline of the brain.

Factors of Hearing Loss and Decline

A 2011 study, also from Johns Hopkins, determined that worse hearing loss led to greater cognitive decline. Patients with moderate deafness were three times as likely to develop dementia in older age versus those with normal hearing. Although scientists aren’t sure why there’s a connection, they have a few theories.

What’s the Connection?

Frank Lin, one of the lead researchers at Johns Hopkins, and other experts have a few ideas as to why hearing loss may present itself as a factor in dementia. A hearing deficit may cause certain parts of the brain to work less. As a result, this could lead to weaker connections in the part of the brain that controls hearing. Another facet could be that when the brain puts more energy towards trying to hear, see or feel things, it has less capacity to fight off dementia.

Consider Social Isolation

cure social isolationSocial isolation may also lead to dementia. This occurs when patients spend less time socializing and less time using parts of the brain that engage with other people. Doctors have known for a long time that people who don’t spend time among others increase their risk for Alzheimer’s disease, dementia, and cognitive decline. Luckily, a more recent study offers older patients with hearing loss hope for the future.

There Is Hope

A French study from 2015 examined 94 people ages 65 to 85. All of them showed strong deafness in one ear. Up to 80 percent of patients who received cochlear implants and regular auditory rehab improved their cognitive functions. This was after only just one year following the implants. It turns out that some patients with hearing loss might actually reverse dementia by simply turning up the volume.

What You Can Do to Fight Dementia and Hearing Loss

Some research suggests that simply hearing better works to slow or reverse the effects of dementia or cognitive decline twice as well as FDA-approved drugs used to fight Alzheimer’s disease. Instead of putting patients on drugs to fight cognitive decline, a new body of evidence points towards solving hearing difficulties first before any other treatments. Can hearing lead to new methods of treating dementia in older patients? The next round of scientific studies may help answer that question.

Turn Up the Volume

A long-term study funded by the National Institutes of Health, and run by Johns Hopkins, hopes to delve deeper into the factors that relate to hearing loss and cognitive function. Lin and his colleagues plan to track patients’ hearing and brain function for up to five years, and the initial results come back around 2020. Until then, he believes it is wise for people to seek help for hearing loss. Especially since less than 20% of all patients with this condition attempt to seek treatment. Patients can get help through traditional prescription hearing aids and OTC hearing aids.

How OTC Hearing Aids Help

An OTC hearing aid offers patients a low-cost way to hear better as compared to traditional prescription hearing aids. Whereas traditional hearing aids require tests and a doctor’s prescription, an OTC hearing aid does not. Over the counter hearing aids cost less because they don’t have to be programmed, nor do they need to be custom-fitted to your ears. They are a less expensive and affordable alternative when your hearing just needs a little boost.

Hearing loss may just be one factor that leads to cognitive decline, and only your doctor can assess your overall health before giving you a diagnosis. A licensed physician can also determine if your deafness is the sign of a more serious condition. When you try to solve the problem of deafness, you don’t have to suffer alone. Hearing amplifiers can help you regain your confidence while promoting  better hearing and, perhaps, better brain health.

Thank you for reading our blog! How can we help you? Contact us today.

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Sound Environment Settings
Programs or environmental settings that allow you to optimize performance for noisy, quiet, or social situations
Digital Sound Processor
All Otofonix Hearing Aids are 100% Digital because they all use a DSP Chip. Without a DSP, noise-canceling is not possible.
Noise Canceling
Uses a digital algorithm to reduce background noise more effectively in noisy and challenging environments.
Directional Microphone
Makes it easier to focus on sounds coming from in front of you, and allows for more advanced and effective noise cancellation
A telecoil acts as a receiving antenna for your hearing aids. When you connect with a sound system of a theater or church, you get amplified sounds delivered directly into your hearing aids. So no matter where you are in the theater, you automatically have the best seat in the house. Only the sound from the hearing loop's microphone is amplified, while background noise is shut out.
Wear your device all day and charge when you go to bed. No need to handle tiny hearing aid batteries
Smartphone Compatible
Adjust your Otofonix Bluetooth Hearing Aid with your smartphone via the Otofonix App. No need to draw attention to your hearing aid; you can adjust it by using only your phone.
Personalized Hearing
Using the Otofonix App, you can customize your hearing aid to meet your unique hearing loss profile. It's like having an audiologist in your living room.


Volume ControlRocker SwitchRocker SwitchSmartphone AppSmartphone App
Battery Size312Rechargeable13Rechargeable
Battery Life6-8 Days18 Hours4 - 6 Days18 Hours
Device Dimensions1.2" x .55" x .28"1.5" x .31" x .5"1.2" x .31" x .48"1.2" x .31" x .48"





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