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Symptoms of Memory Loss Could Actually Be Hearing Loss

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The connection between hearing loss and cognitive disorders like dementia and Alzheimer’s disease have been clearly established in the medical literature. Researchers have shown that those who have hearing loss are statistically more likely to have dementia and the decline of cognitive ability among those who have hearing loss tends to be quicker, as well. However, the nature of that connection remains unclear. Some suspect that the two simply occur at the same time of life, and many experience both conditions at once. Yet, the statistical results of these studies demonstrate a stronger link than mere coincidence. This link may have a causal dimension. It is possible that having hearing loss actually makes it more likely to have a cognitive dysfunction, such as dementia.

A New Study on Hearing Loss & Memory

A recent study in the Canadian Journal on Aging demonstrated the possibility of this link. Dr. Susan Vandermorris is a neuropsychologist at Baycrest, and she led the study of the connection between memory loss, an early sign of dementia, and hearing loss. The majority of participants who were evaluated for memory, thinking, brain, and cognitive concerns had some form of hearing loss, ranging from mild to severe. Out of this group who had hearing loss, only about 20 percent were using assistance, such as hearing aids. This anomaly led the researchers to think more deeply about the connection between memory loss, hearing loss, and how we measure each condition.

A quarter of the participants in this study did not show any signs of memory loss due to a brain disorder, yet something led them to seek treatment. That something is often a loved one or family member. Clients who came seeking treatment tended to be urged by a close relative who has complained that they don’t seem to be paying attention that they don’t seem to be listening to what they have to say, or that they don’t remember what was said to them in conversation. As you can see, these conditions may be closely related to hearing loss. When a person seems to be checked out, unable to pay attention, or unable to remember details of conversations, each of these experiences is equally likely to be due to hearing loss as it is to memory loss.

The connection between memory loss and hearing loss is a puzzle that remains to be solved. Those who suspect that hearing loss may cause dementia point to the link between spoken language and cognition. When a person has hearing loss, the sounds that encounter the ears are a jumble of randomness. Fragments of words might break through, and sounds can be like the pieces of puzzle. The time expected for a person to understand a conversation is like putting a timer on the game, requiring the listener to quickly throw together random sounds into something meaningful, even when speech is unintelligible. You can imagine how difficult this process might be, creating a heavy cognitive load on the person with hearing loss. The mind is under constant assault during these conversations, with too much being expected of it and too few audible resources.

Many neuropsychologists suspect that this cognitive load can spill over into other areas of thought, and this relationship may even be responsible for memory loss and dementia. That being the case, this study points to two components of the relationship between hearing loss and memory loss. In the first instance, a loved one may simply mistake hearing loss for memory loss. When a person cannot hear what is said, she or he will have no opportunity to remember it! In the other case, it is possible that hearing loss may actually be a risk factor for developing memory loss and more advanced dementia.

Seeking Treatment for Hearing Loss

With these two components of the relationship between hearing loss and memory loss, it is more urgent than ever to seek assistance for hearing problems. At Hearing Consultants, we provide comprehensive hearing tests. If a hearing loss is detected, treating hearing loss with the use of hearing aids can make an incredible difference in your ability to understand, think, and remember, especially when it comes to face-to-face conversations. The first step is the simplest. Call us at Hearing Consultants to make an appointment for a hearing test and consultation to embark on the path toward healthy hearing once again.