Sentences with phrase «performances on cognitive tests»

In one study, patients with coronary artery disease were found to have significantly smaller amounts of gray matter — with worse performances on cognitive tests.
A study involving both college students and 5 - year - olds suggests that listening to pleasing music improves performance on cognitive tests and promotes creativity.
They found that L - theanine and caffeine together improved their subjects» performance on cognitive tests where they had to switch quickly between different tasks.
In one hopeful finding, a 2012 meta - analysis found that in 13 studies in which participants had laid off weed for 25 days or more, their performance on cognitive tests did not differ significantly from that of nonusers.
They analyzed the relationship between these nutrient patterns and subjects» brain structure and performance on cognitive tests.
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.
Then they estimated the relationship between people's neighborhood scores and their performance on cognitive tests over two years, factoring in issues like age, gender, education and wealth, that might influence people's cognitive scores independently of neighborhood characteristics.
During his time as an undergraduate student, he was a member of two cognitive neuroscience laboratories, where he worked on research studies examining how structural differences in the brain correlate with performance on cognitive tests.
[15] One study has shown that consumption of dark chocolate improved performance on cognitive tests which included the abstract reasoning test, the scanning and tracking test, the working memory test, the visual - spatial memory test, and the organization test.
(At the time, doctors were diagnosing people based only on their symptoms and performance on cognitive tests.)
A significant correlation between performance on the cognitive test and BHB levels were observed, with those presenting with the highest BHB levels showing the most improvement.
Hill's b / d has been clinically proven to improve alertness, energy, and performance on cognitive tests in dogs with CDS.

Not exact matches

The design of this study made it possible to examine 1) the extent to which benefits of breastfeeding on cognitive ability and achievement were evident throughout middle childhood, adolescence, and into young adulthood; and 2) the extent to which breastfeeding was related to a range of indices of academic achievement that included performance on standardized tests, teacher ratings of academic achievement, and levels of success in examinations on leaving school.
Over the period from 8 to 18 years, sample members were assessed on a range of measures of cognitive and academic outcomes including measures of child intelligence quotient; teacher ratings of school performance; standardized tests of reading comprehension, mathematics, and scholastic ability; pass rates in school leaving examinations; and leaving school without qualifications.
Table 1 shows clear and highly significant (P <.0001) tendencies for increasing duration of breastfeeding to be associated with higher scores on measures of cognitive ability, teacher ratings of performance, standardized tests of achievement, better grades in School Certificate examinations, and lower percentages of children leaving school without qualifications.
In the current study, Whitney, along with colleagues John Hinson, WSU professor of psychology, and Hans Van Dongen, director of the WSU Sleep and Performance Research Center at WSU Spokane, compared how people with different variations of the DRD2 gene performed on tasks designed to test both their ability to anticipate events and their cognitive flexibility in response to changing circumstances.
These effects endured not only throughout the animals» lives but were carried on to the next generation and along the same gender lines: The offspring of dual - parented pups turned in superior performances on tests of cognitive ability and social skills than mice raised by single parents.
However, brain injury was not linked to performance on other cognitive tests, including decision - making and organization.
The study details a promising approach for pinpointing more athletes who play «impaired» on the Immediate Post-Concussion Assessment and Cognitive Testing, or ImPACT, a computerized tool consisting of eight subtests that gauge neurocognitive performance.
In June, researchers reported that office workers scored higher on tests of cognitive function when the room was better ventilated, but many studies have found that background noise impairs cognitive performance.
They maintain that cognitive tests done over time actually indicate small or no differences in performance among these populations and that studies on risk factors have produced useful, yet insufficient, explanations of the disparities - largely due to the lack of African American participation in research studies.
«Multiple measures of sleep apnea severity directly correlated with poorer performance on several cognitive tests,» said co-first author Anna Kratz, Ph.D., a clinical psychologist and assistant professor of physical medicine and rehabilitation.
«If an individual had the Val / Val combination, then their performance on a battery of cognitive tests (conducted long after the injury occurred) was remarkably lower than that of individuals who had the Val / Met or Met / Met combination.»
During another test, participants demonstrated poorer performance on a «Stroop task,» a commonly - used measure of executive cognitive function.
The researchers from the University's Department of Social Policy and Intervention, and the Swedish Institute for Social Research, Stockholm, studied the test scores measuring cognitive ability of children aged between 10 and 13, and found they had a strong effect on a child's subsequent educational performance.
«Overall, cognitive consequences research does not support claims for broad transfer of game playing to performance on cognitive skill tests,» Mayer wrote.
«It didn't affect their IQ at all; it affected their performance on an IQ test,» says Bob Stickgold, a cognitive neuroscientist at Harvard University.
Cognitive neuroscientist Giorgio Vallortigara of the University of Trento in Italy, who has studied performance of chicks on the seed - pecking test, says, «The idea of a link between lateralization strength and cognitive abilities has been around... for many years, but little comparative and experimental work has been done with animalCognitive neuroscientist Giorgio Vallortigara of the University of Trento in Italy, who has studied performance of chicks on the seed - pecking test, says, «The idea of a link between lateralization strength and cognitive abilities has been around... for many years, but little comparative and experimental work has been done with animalcognitive abilities has been around... for many years, but little comparative and experimental work has been done with animals.»
The ONTRAC trial assessed ADHD symptom severity using a parent rating scale, and measured cognitive performance on tests of attention, response inhibition and working memory.
We present five experiments showing that reading literary fiction led to better performance on tests of affective ToM (experiments 1 to 5) and cognitive ToM (experiments 4 and 5) compared with reading nonfiction (experiments 1), popular fiction (experiments 2 to 5), or nothing at all (experiments 2 and 5).
Rather than merely a cumulative effect, Meyer says, the two conditions appeared to act in synergy, increasing anxiety behaviors in the mice as well as damaging their performance on tests for associative memory and other basic cognitive skills associated in people with a range of neurological disorders, including schizophrenia.
While cognitive and motivational deficits were previously thought to be distinct domains of the illness, a better understanding of how the lack of motivation influences cognitive performance might mean it is the lack of motivation, not cognition on its own, that is causing people to perform poorly on tests.
History of these syndromes was also associated with poor performance on the Symbol Digit Modalities Test (SDMT), which may be caused by the need for more time to process the visual stimuli, thus limiting the time available for the cognitive task of linking the numerals.»
Study subjects in a room scented with rosemary were found to have enhanced levels of 1,8 - cineole, an organic compound the researchers had previously linked with cognitive performance, and they performed better on word puzzles and memory tests than subjects in an unscented room.
Do you believe, this is what I believe and I could be wrong and you have more experience in this than I do so I'm testing my hypothesis with an expert, that as you add these toxins, like if you were to say on an average day someone with no toxins doesn't ever drop a word for their memory but on a day or a week or when their mercury levels hit one out of 10, maybe they drop one word today, and when they're five out of 10, they drop four words a day, there's a gradual decline in cognitive performance or physical performance before we hit the «Oh my god I feel crappy all the time, I have chronic fatigue, fibromyalgia, and I'm a zombie?»
Several studies [3, 4] have found that chocolate consumption reduces risk of dementia and enhances performance on tests of cognitive function.
Women in the higher estrone quartiles had lower performance on two cognitive tests.
Incredibly, the data also indicated that ClariMem ® effectively reversed the equivalent of 9 years of brain aging, based on performance on a standardized cognitive test.
When older people (50 + years) had higher intakes of chocolate and wine (both being a rich source of flavanols) they had better scores on cognitive tests and slower declines in performance.
Creatine supplementation had a positive effect on sleep deprived individuals in terms of both mood and performance in physical and cognitive tests.
Subjects were divided into two groups and tested on a variety of numeracy - and memory - related memory tasks including spatial recall and random number generation to identify a baseline level of cognitive performance.
Performance on all 4 tests were combined to obtain a global intelligence score, which was regarded as a measure of general cognitive ability (50).
Research at UCLA found that eating walnuts daily may improve performance on cognitive function tests.
The Candle Problem originated as a cognitive performance test, but some of its different iterations measured the influence of incentives on problem - solving.
Creative programmes can offer a counter balance to testing and while their impact on academic performance is more difficult to measure their value in terms of cognitive development and emotional literacy is tangible.
A more direct measure of a country's human capital is the performance of students on tests in math and science, something that might be called the average level of «cognitive skills» among those entering a country's work force.
We used performance on 12 of these standardized tests as rough measures of the average level of cognitive skill in a given country.
The research, led by Charles Hillman, a professor of kinesiology and community health and the director of the Neurocognitive Kinesiology Laboratory at Illinois, suggests that physical activity may increase students» cognitive control — or ability to pay attention — and also result in better performance on academic achievement tests.
Charles Hillman and Darla Castelli, professors of kinesiology and community health, have found that physical activity may increase students» cognitive control — or ability to pay attention — and also result in better performance on academic achievement tests.
Effects of reducing cognitive load of mathematics test items on student performance.
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