Laura Middleton says other studies of exercise and cognitive skills have found a stronger link in women than in men.

VOA: special.2010.07.07

The brain also needs a "cognitive rest," they say, by restricting activities like video games, texting and watching TV.

VOA: special.2009.10.28

Women who said they were physically active even once a week showed less cognitive impairment as measured by a test.

VOA: special.2010.07.07

"People who were physically active on a regular basis had lower risk of cognitive impairments in late life.

VOA: special.2010.07.07

But it seemed that teenage physical activity was particularly important in terms of the prevention of cognitive impairments."

VOA: special.2010.07.07

That was the finding of a new study of cognitive impairment, or a loss in mental abilities.

VOA: special.2010.07.07

Some examples are behavior therapy, cognitive therapy and cognitive-behavioral therapy.

VOA: special.2010.04.13

"Some of our projects have looked at what we call situational impairments, which are challenges to accessibility that are caused more by the situation or context that the computer user is in instead of maybe as we usually think of accessibility as having to do with someone's own physical or cognitive state."

VOA: special.2011.04.18

"Exercise,diet,cognitive stimulation showed some positive effects, although the evidence was not so strong that we could actually consider these firmly established."

VOA: standard.2010.06.17

A new study has failed to find any conclusive evidence that lifestyle changes can prevent cognitive decline in older adults.

VOA: standard.2010.06.17

James Burke of Duke University is one of the authors of a study reviewing previous research on cognitive decline.

VOA: standard.2010.06.17

The expert review also found insufficient evidence to recommend any drugs or dietary supplements that could prevent or slow cognitive decline.

VOA: standard.2010.06.17

Cognitive decline is the loss of ability to learn new skills, or recall words,names,and faces that is most common as we age.

VOA: standard.2010.06.17

"Cognitive stimulation is one of the areas where we did find some benefit.

VOA: standard.2010.06.17