Epilepsy Epilepsy Basics

When a Senior Moment is a Sign of Epilepsy


Author:

Karen Barrow

Medical Reviewer:

Joseph Campellone, MD

Medically Reviewed On: December 06, 2005

When an elderly person becomes confused, forgetful or dizzy, most loved ones want to look past it, assuming the momentary pause is a natural part of aging. But these episodes may be caused by a disease that is more commonly associated with younger adults: epilepsy.

As epilepsy is diagnosed in more and more seniors in the United States, there is a growing understanding of how this disease affects the elderly differently than it does teens. Dr. Joseph Sirven, associate professor of neurology at the Mayo Clinic College of Medicine in Scottsdale, Arizona explains why epilepsy is a relatively common problem for aging adults and why diagnosis and treatment is so important.

How common is epilepsy in the elderly?
It's very common. There are anywhere between 80 to 123 cases for every 100,000 people in the population. To give you some context, Alzheimer's disease affects about 102 individuals for every 100,000 people. So, the numbers are fairly high. Epilepsy is one of the more common things that is seen in older adults from a neurological perspective.

Why would somebody start to get epilepsy as they get older?
It's a phenomenon that often occurs along with other things that happen as you get older. "It is sort of a side-effect of many things that we are more likely to get as we age," says Sirven. For example, stroke is one of the biggest causes of seizures in older adults. Twelve percent of patients with dementia of any type will have seizures, and dementia is very common in older adults. Also, tumors and trauma can cause seizures.

Experts don't know what it is about the aging brain that lets this happen, but clearly there is something that occurs that makes epilepsy a stronger likelihood.

Are more seniors getting epilepsy?
They may be. There are more cases of epilepsy in the elderly population, but experts don't know if it's truly an increasing number of cases or if it's just that doctors are now looking for it and are able to better detect it. "It could very well be that we just recently opened up our eyes," says Sirven, "and we finally now see that epilepsy is affecting more adults that previously thought."

Does epilepsy often go unnoticed in the elderly?
“I don't know if it's disregarded, but it's just not appreciated in the sense that a seizure in older adults looks so much like so many other things,” says Sirven. People don't think of it as one of the possibilities.

What are the symptoms that indicate that someone is experiencing a seizure?
If someone is having repeated episodes of loss of consciousness, dizziness, language or behavioral change then they should really be considering the possibility that they are experiencing epilepsy.

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