News tagged with cognitive tasks

Blink if your brain needs a rest

Why do we spend roughly 10 percent of our waking hours with our eyes closed - blinking far more often than is actually necessary to keep our eyeballs lubricated? Scientists have pried open the answer to this ...

Dec 28, 2012
popularity 4.7 / 5 (23) | comments 13

Aerobic exercise boosts brain power

The physical benefits of regular exercise and remaining physically active, especially as we age, are well documented. However, it appears that it is not only the body which benefits from exercise, but the mind too. The evidence ...

Dec 13, 2012
popularity 5 / 5 (4) | comments 0 | with audio podcast

Like coffee, blue light keeps night drivers alert

(Medical Xpress)—Researchers from the Université Bordeaux Segalen, France, and their Swedish colleagues have recently demonstrated that constant exposure to blue light is as effective as coffee at improving ...

Nov 23, 2012
popularity 5 / 5 (3) | comments 0 | with audio podcast

Caffeine improves recognition of positive words

Caffeine perks up most coffee-lovers, but a new study shows a small dose of caffeine also increases their speed and accuracy for recognizing words with positive connotation. The research published November 7 in the open access ...

Nov 07, 2012
popularity 5 / 5 (3) | comments 0 | with audio podcast