About 250 of them had Alzheimers disease, just over 670 had mild cognitive impairment(including memory deficits), and 390 of the participants had no thinking or memory troubles.
Mild cognitive impairment has many definitions, but the term generally refers to people whose impairment isn't severe enough to hamper their ability to manage their daily lives.
Another group of researchers at the Yerkes Centre recently reported separately that a test involving infrared eye tracking may help pick up mild cognitive impairment in humans.
These studies are quantifying the impact of face-to-face web-based conversation on the delay in Alzheimer's Disease(AD) onset and the delay in cognitive decline of seniors with MCI(Mild Cognitive Impairment) over 5 years.
The subjects had already been evaluated by doctors at Penn with an array of neurological methods, and according to expert consensus had been placed in one of three categories:"healthy older adult,""mild cognitive impairment," or"Alzheimer's dementia.".
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