cognition
6 stories tagged "cognition"
The Vitamin D Trials That Found No Brain Benefit Never Tested This Dose
Fifty-four older adults with failing sleep and early memory loss, and the ones taking 5,000 IU of vitamin D a day scored 13 percent higher on a standard cognitive test. The major null trials never tested that dose.
Brain & AgingBanned in 1979, 'Legacy' PCBs Are Now Tied to Shorter Telomeres in Children
Dioxin-like PCBs left American factories decades ago and never left children's bodies. New research traces how they may erode the protective caps on kids' chromosomes, and may help explain lower cognitive scores.
Brain & AgingThe Box-and-Banana Test Was Built for Apes. A Bumble Bee Worked It Out on Its Own.
Researchers in Finland trained bumble bees on two unrelated facts, a flower with sugar and a ball that rolls. With the flower moved out of reach, the bees combined the two into a solution nobody had shown them, on a task built for apes.
Brain & AgingThey Told Older Adults the Pill Was Fake. Their Memory Got Better Anyway.
A 90-person Italian trial gave older adults inert pills and told one group flat-out they were fake. That group improved as much as the deceived one. Here is what that does and doesn't prove.
Brain & AgingUltra-Processed Food Is Quietly Taxing Your Attention. The Mediterranean Salad Next to It Won't Pay the Bill.
A new Monash-led study finds ultra-processed foods track with worse attention and a higher dementia-risk score even after adjusting for Mediterranean diet quality. The biology of why is more interesting than the headlines admit.
Brain & AgingBrain Gains Into Your 90s Are Probably Real. The Index Measuring Them Has a Patent Pending.
A three-year UT Dallas study tracking nearly 4,000 adults to age 94 says brain function can climb at any age. The biology is plausible. The catch is that the people measuring the gain are the same people patenting the yardstick.