There is no cure for the disease but therapies are available to reduce symptoms and increase cognitive function.
Aromatherapy may have some potential for improving cognitive function, especially in AD patients.
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For example, the study found that whites were more likely than blacks to maintain their cognitive function with age.
It has a cognitive function just as fundamental as sensation or intellection, and like them, it must be trained.
"What we want to do is understand more about how people age better with respect to cognitive function, " Dr. Gow said.
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Results: All patients showed significant improvement in personal orientation related to cognitive function on both the GBSS-J and TDAS after therapy.
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The researchers found those aged 45 to 49 in 1997 experienced a 3.6 per cent decline in cognitive function over the decade.
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Some antidepressants have been shown to be effective in treating mood disorders associated with dementia, but they do not improve cognitive function.
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With vegetative patients the brain injury causes sufficient damage to leave them with nothing but core reflexes and no higher cognitive function.
But the groups who played the computer game showed a clear improvement compared with the normal loss of cognitive function as people age.
To be precise, the author, Franz Messerli, was wondering if chocolate consumption might be correlated with the overall cognitive function of a population.
This research is just the latest looking at cognitive function in the so-called Lothian Birth Cohort, which involves a group of people born in 1936.
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Binge drinking twice a month more than doubles cognitive function decline (147%), and memory decline could increase more than fivefold (149%), according to Lang's study.
Likewise, a 2006 report that appeared in an American Heart Association journal showed that a drink or two a day might be linked to better cognitive function in women.
Many schools and sports medicine programs offer tests to athletes before they start contact sports to measure their cognitive function, which can then be compared with the same test administered after a concussion.
"There is a significant body of scientific and clinical evidence supporting the safety and efficacy of ginkgo extract for both cognitive function and improved circulation, " said Mark Blumenthal, executive director of the American Botanical Council.
Fish oil "seems to be healthy in general, and maybe for other things it's helpful, but it doesn't benefit cognitive function in a person with Alzheimer's, " says Ferris, who was not involved in the study.
In particular, he pointed out that those who drank sake tended to eat larger quantities of raw fish, which is thought to have possible benefits to cognitive function, while wine drinkers tended to eat more cheese, which may have a similar effect.
If you have no time for the gym during the week, that's OK: Recent research shows moderate to vigorous exercise even just once a week (say, a weekend jog) makes you 30 percent more likely to maintain your cognitive function as you age.
In the new government-funded study, volunteers ages 75 and older with either normal mental function or mild cognitive impairment took a twice-daily placebo or ginkgo biloba extract (for a total of 240 milligrams per day).
Before beginning the study, participants were given standard cognitive tests, many involving executive-function tasks such as concentration and shifting from one mental task to another.
There are ongoing efforts by cognitive science laboratories and companies to develop cognitive assessment and brain training software that will function on mobile phones and tablets.
Today, if not fully recovered -- the most terrifying thing he can think of is still "myself" -- he is able to function once more and is receiving cognitive behavioral therapy to help him face up to his psychological issues.
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Dr Matthew Gage, from the University of East Anglia, who carries out research into sperm function in animals, said it was highly unlikely that sperm were capable of any form of cognitive thought.
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