The Surprising Sign of Dementia You Might Miss, According to Neurologists

 Your competent? doctor already knows about this and has protocols on this prevent your chance of dementia post-stroke.

Eye Movements Interfere With Limb Motor Control in Stroke Survivors  August 2018

With your chances of getting dementia post stroke, you need prevention solutions. YOUR DOCTOR IS RESPONSIBLE FOR PREVENTING THIS!

1. A documented 33% dementia chance post-stroke from an Australian study?   May 2012.

2. Then this study came out and seems to have a range from 17-66%. December 2013.`    

3. A 20% chance in this research.   July 2013.

4. Dementia Risk Doubled in Patients Following Stroke September 2018 

The latest here:

The Surprising Sign of Dementia You Might Miss, According to Neurologists

• Involuntary eye movements, known as saccades, can be an early sign of dementia according to neurologists.
• Dementia can impact eye motor control functions, leading to challenges with visual searching and reading.
• Involuntary eye movements can also be caused by other conditions such as strokes, tumors, and medications, not just dementia.

See a mistake?

When picturing signs of dementia to look for, the first ones that come to mind may be memory loss, struggling to think of the right word and having difficulty problem-solving. You may have also heard about how dementia can cause a loss of smell and even falling.

Unfortunately, those aren’t the only signs of dementia, and there's at least one that you literally may not even be able to see yourself.

Related: The Unexpected Early Dementia Sign You Might Miss, According to Neurologists

The Surprising Sign of Dementia You Might Miss, According to Neurologists

According to research and a neurologist, there’s another sign that’s more surprising, and hard to notice: involuntary eye movements.

Dementia affects the brain, which can affect bodily functions and lead to a loss of motor control. One of the earliest signs is involuntary eye movements, known as saccades, according to researchers working to detect the disease with a special earpiece.“Eye movements are an important window into how the brain is functioning,” says Dr. Meredith Bock, MD, a board-certified neurologist and chief medical officer at Remo Health. “For people with Alzheimer’s, their eye motor control functions may be impacted due to a decline in the brain areas that govern eye movements.”She also notes that saccades are one of the earliest signs of neurodegenerative diseases. “Neurodegenerative illness can cause increased delays and imprecision in saccades,” she says. “They can also cause ‘saccadic intrusions’ into the smooth pursuit, where the normally smooth movements of the eyes following an object in motion become more ratchet-y.”

These patients may also have challenges with visual searching and reading, she adds, or move their whole head instead of just their eyes to look at something.

Related: This Seemingly Harmless Condition May Be Linked With Dementia, According to Study

What Those Involuntary Eye Movements Entail

Given these movements are small and rapid—and given eye movement happens frequently on purpose—this sign isn't super easy to spot.

“In most cases, only a trained professional, like a neurologist, would notice,” Dr. Bock says.

That’s not always the case, however. The severity can vary greatly, she continues, and other factors are at play. “Some people may have noticeable signs because they are slow to look at something or lose track of a moving object," she adds.

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Other Conditions That Can Cause Involuntary Eye Movements

Involuntary eye movements aren’t a clear sign someone has dementia, and many conditions can cause this symptom.

According to Dr. Bock, involuntary eye movements can indicate problems in the central nervous system (such as the brain and spinal cord) or the peripheral nervous system (such as nerves, muscles, and the junction between the nerve and muscles).

More specific causes she mentions include progressive supranuclear palsy, nystagmus, strokes, tumors, antiepileptic medications, myasthenia gravis and more.

Related: Eating This Daily May Reduce Your Dementia Risk, According to Doctors

What to Do If You Notice Involuntary Eye Movements

If you suspect something is wrong with your eyes or a loved one's, Dr. Bock encourages consulting with a physician.

“If this happens suddenly, it could be an emergency, like a stroke,” she adds. “While it might be a symptom related to dementia, there are other underlying causes that require medical attention, so it’s best to rule out other potential causes for this condition.”

Sources

• Dr. Meredith Bock, MD, a board-certified neurologist

• Listening for early signs of Alzheimer’s disease, Acoustical Society of America