Scientific American Mind:
Eating while distracted is well known to cause overindulgence, as confirmed by a recent review of 24 studies published in April 2013 in the American Journal of Clinical Nutrition. The exact mechanism behind such mindless bingeing, however, has been unclear.
A recent study in Psychological Science suggests that mentally taxing tasks dampen our perception of taste, causing us to eat more. In four experiments, participants attempted to memorize either a seven-digit number (a heavy load on the brain) or one digit (a light cognitive load) while tasting salty, sweet and sour substances and rating each food’s taste intensity.
Read the whole story: Scientific American Mind