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When to get tested for memory loss

For people of a certain age, it takes only a few “senior moments” — struggling for words, names or memories — to cause worry.

Is this normal aging or mild cognitive impairment? Is it all a run-up to Alzheimer’s?

As a neuropsychologist at the University of Kansas Medical Center-Wichita, Ryan Schroeder conducts the lengthy cognitive tests — looking at memory, problem solving, reasoning, language use and other measures — that help doctors tell the difference.

“If you were to meet with me, for example, for an evaluation,” Schroeder said, “you’d spend probably about four hours of your life with me, talking to me, doing testing. After we’re done, I’d sit down with you and go over the results. I’d determine: Is this normal aging? Is this mild cognitive impairment? Is this dementia?”

Schroeder said almost everyone becomes forgetful as they age.

“From a biological perspective, our brain is growing and developing up until age 25 or 30. Then our brains are aging,” he said. “We see a very, very slow decline in many thinking abilities, including memory. We don’t wake up one day and say, ‘I feel different.’ But you might wake up in your 60s and think, ‘Man, my memory is not quite as sharp as it used to be,’ just because it’s such a gradual change. But it is a change.”

Example: A person going to the grocery store at age 20, he said, would likely be able to remember a list of 10 items without writing them down. But at 60 they would probably require a list. That’s normal.

And if one was later tested on those 10 words?

“Kind of a rough ballpark,” Schroeder said, “if you’re 65 and you’re getting 10: Hey, that’s fantastic. But seven or so is probably fairly realistic. Then, if after we’re chatting, I said, ‘Hey, by the way, now, tell me what those words were again.’ If you originally remembered seven, you should probably be able pull up at least five or six of them 30 minutes later after being distracted.

“But if you’re really struggling to pull those words up, that probably is going to be more than normal aging.”

Both memory lapses and the risk of Alzheimer’s increase with age. Age, in fact, is the leading risk factor for Alzheimer’s. Given that, neurologist Suzanne Schindler, a researcher at the Knight Alzheimer’s Disease Research Center at Washington University in St. Louis, offered advice.

“So the key thing to remember is that everyone has memory lapses,” she said. “We have more memory lapses when we’re stressed, when we’re sick, when we’re trying to do a lot of things at the same time.

“When people come into my clinic, typically it’s been when there has been a change, or there’s not a clear reason for why they’re having difficulties. For example, we all lose our keys from time to time, or our cellphone. But if we’ve lost it several times in the past month or we’ve missed appointments or we keep repeating questions to people in a way that’s different from the past, then that’s when people start to get concerned.

“If someone has memory and thinking problems, and they’re progressively getting worse and they’re starting to affect their ability to do things that they used to be able to do without difficulty — like they’re having trouble using the computer or their cellphone or maybe having difficulty driving, or they can’t write checks without making errors, that’s certainly a level where someone needs to get evaluated.”

In numerous cases, mild cognitive impairment is caused by something other than Alzheimer’s, such as sleep apnea, medications, depression, a vitamin B-12 deficiency, an undetected stroke or other disorders such as Parkinson’s disease.

When those problems are treated, the impairment can often go away.

If you’re concerned about your memory or cognition, get it checked to alleviate worrying about the unknown, Schroeder said.

“There’s a chance that it’s something that is addressable, is treatable. If it’s not, you can find ways, hopefully, to slow down the changes. But at least you’ll know what’s going on.”

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