Dementia’s early warning system

The man complained of memory problems but seemed perfectly normal. No specialist he visited detected any decline, begins a frightening story in today’s New York Timesimages

“He insisted that things were changing, but he aced all of our tests,” said Rebecca Amariglio, a neuropsychologist at Brigham and Women’s Hospital in Boston. But about seven years later, he began showing symptoms of dementia. Dr. Amariglio now believes he had recognized a cognitive change so subtle “he was the only one who could identify it.”Patients like this have long been called “the worried well,” said Creighton Phelps, acting chief of the dementias of aging branch of the National Institute on Aging. “People would complain, and we didn’t really think it was very valid to take that into account.”

“But now, scientists are finding that some people with such complaints may in fact be detecting early harbingers of Alzheimer’s.Studies presented Wednesday at an Alzheimer’s Association conference in Boston showed that people with some types of cognitive concerns were more likely to have Alzheimer’s pathology in their brains, and to develop dementia later. Research presented by Dr. Amariglio, for example, found that people with more concerns about memory and organizing ability were more likely to have amyloid, a key Alzheimer’s-related protein, in their brains. Continue reading “Dementia’s early warning system”

The science of forgetting

As the baby boom generation ages towards retirement, attention grows over how people can remain mentally sharp. Alzheimer’s and other forms of dementia make  boomers start to worry when they lose their car keys or stumble over a name. At the same time, Internet search engines
and home data storage have made the actual need to remember less important. Add to this the rapid pace of media and the public’s seemingly relentless focus on immediacy over history, and it seems like a wholesale assault on memory is sweeping the culture. So a story like “The Forgetting Pill Erases Painful Memories” recently appearing in Wired magazine would seem to support the current culture of amnesia. Continue reading “The science of forgetting”