Neuroscience
Dehydration alters human brain shape and activity, slackens task performance
When dehydration strikes, part of the brain can swell, neural signaling can intensify, and doing monotonous tasks can get harder.
Aug 21, 2018
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News tagged with task performance
Medications
'Smart' drugs can decrease productivity in people who don't have ADHD, study finds
New research from the University of Cambridge and the University of Melbourne, published in Science Advances, shows neurotypical workers and students taking cognitive enhancers, or "smart" drugs, may actually be inhibiting ...
Jun 14, 2023
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Health
Brain imaging study reveals the wandering mind behind insomnia
A new brain imaging study may help explain why people with insomnia often complain that they struggle to concentrate during the day even when objective evidence of a cognitive problem is lacking.
Aug 30, 2013
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Oncology & Cancer
Study investigates assumptions about colonoscopy accuracy
If you're over 45, chances are your doctor has told you to get screened for colorectal cancer. While it's a seemingly routine recommendation these days, a great deal of scientific analysis goes into the details. Regularly ...
Apr 5, 2022
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Health
Lifelong exercise holds key to cognitive well-being
A study by researchers at King's College London highlights a link between lifelong exercise and improved brain function in later life.
Mar 13, 2013
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Psychology & Psychiatry
Scientists identify the cognitive limitations that hamper our decision-making
The chances of a commercial airliner crashing are vanishingly small—and yet many people are uncomfortable flying. Vaccination for many common childhood diseases entail almost no risk—but parents still worry. Human perception ...
Aug 25, 2020
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Psychology & Psychiatry
Gene variation predicts rate of age-related decline in mental performance
A tiny difference in the coding pattern of a single gene significantly affects the rate at which men's intellectual function drops with advancing age, investigators at the Stanford University School of Medicine and the Veterans ...
Oct 25, 2011
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Psychology & Psychiatry
Research finds that blue-light glasses improve sleep and workday productivity
During the pandemic, the amount of screen time for many people working and learning from home as well as binge-watching TV has sharply increased. New research finds that wearing blue-light glasses just before sleeping can ...
Oct 15, 2020
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Attention deficit disorders
Movement in ADHD may help children think, perform better in school
The constant movement of children with attention-deficit/hyperactivity disorder (ADHD) may be distracting—but the fidgeting also may improve their cognitive performance, a study by researchers with the UC Davis MIND Institute ...
Jun 11, 2015
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Neuroscience
These cognitive exercises help young children boost their math skills, study shows
Young children who practice visual working memory and reasoning tasks improve their math skills more than children who focus on spatial rotation exercises, according to a large study by researchers at Karolinska Institutet ...
May 20, 2021
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