Sentences with phrase «on the cognitive performance of»

[The Effect of Energy Drinks on the Cognitive Performance of Adolescents].

One study that opened new doors in creatine research was conducted by researchers at the University of Chichester in Sussex (1), where the purpose was to explore the impact of creatine on the cognitive performance of elderly subjects.

Rico, J. A., Kordas, K., Lopez, P., Rosado, J. L., Vargas, G. G., Ronquillo, D., and Stoltzfus, R. J. Efficacy of iron and / or zinc supplementation on cognitive performance of lead - exposed Mexican schoolchildren: a randomized, placebo - controlled trial.

Not exact matches

Overall, the study found «no evidence that personal brain training benefited the participants in terms of improving cognitive performance, working memory, on attention, cognitive flexibility, or inhibitory control,» says Lerman.

They prefer to work in an environment that is free of distractions - even background music can have a negative impact on introverts and their cognitive performance.

Researchers from the University of Texas at Austin, the University of California, San Diego and Disney Research recently conducted a study and found that when a person's smartphone is nearby — on the table or even in the same room — that person's performance on a cognitive task (requiring problem - solving and reasoning) will likely suffer.

What's your take on the prospect of using brain implants to increase the cognitive performance of perfectly healthy people: exciting or creepy?

Moreover, a maximum beneficial effect on cognitive performance was gained at a mean intake of chocolate of ∼ 10 g / d.

In fact it was the subject of two sessions dedicated to exploring the evidence for the effects of foods and food components on mental performance and how this type of evidence can be gathered and evaluated to substantiate an EFSA approved claim on cognitive function.

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.

Missing out on even one hour of sleep a night could have major consequences for a child, possibly lowering their cognitive abilities the following day and possibly hurting their academic performance at school or acquisition of knowledge at home.

Physical punishment is associated with a range of mental health problems in children, youth and adults, including depression, unhappiness, anxiety, feelings of hopelessness, use of drugs and alcohol, and general psychological maladjustment.26 — 29 These relationships may be mediated by disruptions in parent — child attachment resulting from pain inflicted by a caregiver, 30,31 by increased levels of cortisol32 or by chemical disruption of the brain's mechanism for regulating stress.33 Researchers are also finding that physical punishment is linked to slower cognitive development and adversely affects academic achievement.34 These findings come from large longitudinal studies that control for a wide range of potential confounders.35 Intriguing results are now emerging from neuroimaging studies, which suggest that physical punishment may reduce the volume of the brain's grey matter in areas associated with performance on the Wechsler Adult Intelligence Scale, third edition (WAIS - III).36 In addition, physical punishment can cause alterations in the dopaminergic regions associated with vulnerability to the abuse of drugs and alcohol.37

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.

Adam Gazzaley, professor of neurology, physiology and psychiatry at the University of California, San Francisco and executive director of Neuroscape, has developed video games designed to improve memory, attention and learning that adjust to a player's performance and focus on different cognitive systems.

«This well - designed set of experiments shows that chronic THC pretreatment appears to restore a significant level of diminished cognitive performance in older mice, while corroborating the opposite effect among young mice,» wrote Susan Weiss, director of the Division of Extramural Research at the National Institute on Drug Abuse, who was not involved in the study, in an e-mail.

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.

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.

The results of the study suggest that «people's performance on various cognitive tasks is better the fewer changes they have to their brain connectivity,» said John Dylan Haynes, a neuroscientist at the Bernstein Center for Computational Neuroscience in Berlin who studies cognition and was not involved in the study.

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.

While late - term gestation was associated with an increase in the rate of abnormal conditions at birth and with worse physical outcomes during childhood, it was also associated with better performance on all three measures of school - based cognitive functioning measures during childhood,» the study concludes.

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.

«When researchers use video games as a tool for cognitive enhancement, they assume that game performance relies on specific cognitive / brain function, yet there is a little evidence that establishes such a connection,» explained lead investigator Chandramallika Basak, PhD, Assistant Professor at The Center for Vital Longevity, University of Texas at Dallas.

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.

On the contrary, we found that strong inhibition of BACE1 in mice causes structural and functional synaptic alterations with deterioration of cognitive performance.»

«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.»

He and his team have now gathered that data by exploring the impact of long - term BACE1 inhibition on dendritic spine dynamics, synaptic functions, and cognitive performance in adult mice.

During another test, participants demonstrated poorer performance on a «Stroop task,» a commonly - used measure of executive cognitive function.

[Visiting Google] this summer opened my eyes to what it would mean if, instead of thinking of biomarkers as something we measure in blood or in a brain scan, we also include things we can measure on a smartphone: your activity level, your sleep, your social activity, and your cognitive performance.

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.

Although randomized controlled trials investigating the acute effect of cocoa flavanols are sparse, most of them point towards a beneficial effect on cognitive performance.

Differential performance of English learners on science assessments: The role of cognitive complexity.

Research shows that time of day explains 20 percent of the variance on human performance on cognitive tasks.

In a study of older adults who completed cognitive tasks while cycling on a stationary bike, UF researchers found that participants» cycling speed improved while multi-tasking with no cost to their cognitive performance.

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.

Wright's lab is now relying on a larger group of volunteers to examine the impact of sleep inertia on physical performance as well as other cognitive functions.

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.

In fact, none of the other ingredients present in energy drinks and in the amounts in a can of energy drink actually produces a significant effect on physical or cognitive performance.

Results show that in comparison to women who experienced menopause after the age of 50, those with a premature menopause had a more than 40 % increased risk of poor performance on tasks assessing verbal fluency and visual memory and was associated with a 35 % increased risk of decline in psychomotor speed (coordination between the brain and the muscles that brings about movement) and overall cognitive function over 7 years.

There is a finely graded inverse association between age and cognitive performance, 3 4 5 but the age at which cognitive decline becomes evident at the population level remains the subject of debate.5 6 7 A recent review of the literature concluded that there was little evidence of cognitive decline before the age of 60.8 This point of view, however, is not universally accepted.5 6 Clinicopathological studies show good correlation between neuropathology and the severity of cognitive decline, 9 10 11 and neurofibrillary tangles and amyloid plaques, the hallmarks of pathology, are known to be present in the brains of young adults.12 13 Emerging consensus on the long gestation period of dementia14 15 also suggests that adults aged under 60 are likely to experience age related cognitive decline.

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.

Performance on the BICAMS was worse among the participants with MS,» noted Dr. Goverover, «and poor performance on BICAMS correlated with poor performance of AR tasks, which require more complex cognitPerformance on the BICAMS was worse among the participants with MS,» noted Dr. Goverover, «and poor performance on BICAMS correlated with poor performance of AR tasks, which require more complex cognitperformance on BICAMS correlated with poor performance of AR tasks, which require more complex cognitperformance of AR tasks, which require more complex cognitive skills.

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.»