But a new Kyowa-funded study of 60 healthy women found a monthlong regime of daily doses of citicoline resulted in improved attention and fewer errors on a cognitive test compared with placebo, says co-author Deborah Yurgelun-Todd, a scientist at the Brain Institute at University of Utah in Salt Lake City, who is a paid consultant to Kyowa.

WSJ: An Energy Shot for the Brain

Their conclusions could lay the groundwork for a genetic test to predict a person's inherited cognitive ability.

WSJ: The Search for the Genetics of Intelligence

Department official Tony Murphy explained how the work capability assessment process was a "wide ranging" test consisting of 10 physical and seven mental, cognitive and intellectual descriptors.

BBC: Social Development Committee

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.

WSJ: Tougher Rules Advised for Athletes After Concussion

Interestingly, the volunteers who saw the greatest improvements in cognitive abilities were those who had scored lowest on the initial, baseline test that had been administered two weeks prior.

FORBES: World of Warcraft May Protect the Aging Brain

The Wason test suggests that analysing social contracts and analysing risk are what evolutionary psychologists call cognitive modules bundles of mental adaptations that act like bodily organs in that they are specialised to a particular job.

ECONOMIST: Psychopathy

An individual's learning style is usually determined by a pencil-and-paper test--of which there are now more than 50 available, with titles like the Cognitive Style Index and the Learning Style Questionnaire.

FORBES: I Feel Your Pain