Sentences with phrase «participants cognition tests»
The study authors also wanted to make sure that book readers weren't living longer just because they were smarter to begin with, so they gave participants cognition tests at the start of the study and three years later.
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People with mild cognitive impairment were defined as those who have a slight decline in cognition, mainly in memory in terms of remembering sequences or organization, and who score lower on tests such as the California Verbal Learning Test, which requires participants to recall a list of related words, such as a shopping list.
The authors analyzed data from 1,752 participants (average age 68) in the Multi-Ethnic Study of Atherosclerosis (MESA) who underwent an in - home polysomnography (sleep) study, completed standardized sleep questions, and a battery of tests to measure their cognition.
In an effort to examine this possible connection, researchers compared performance on cognitive tests over time for 706 participants (432 with normal cognition; 274 AD dementia) from the National Alzheimer's Coordinating Center database.
Third, two other randomised controlled trials of homocysteine - lowering treatments have shown effects on cognition: a trial in which normal participants with baseline tHcy levels > 13 µmol / L were treated with folic acid (0.8 mg / d) for three years showed a beneficial effect on several cognitive tests [44].
Most recently, they brought 121 of the participants into the lab for further research — a battery of 17 tests of memory and cognition — as well as brain MRI scans.
Studies show that participants who have had no more than twenty - five to fifty hours of exposure and experience playing video games, when tested after their gameplay, had quicker reaction times to stimuli, achieved better scores in visual discrimination and cognition tests and, strangely enough, had longer and more focused attention spans that those participants who did not play video games.