Is memory loss mild cognitive impairment, Alzheimer's or just aging? When to get tested

KANSAS CITY, Mo. — 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 (MCI)? 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, at 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...