DAILY INNOVATION BRIEF by Maryanne Kane, Journalist
D A ILY INNOVATION BRIEF By Journalists Edward Kane & Marya nne Kane SCIENCE: YOU CAN TEACH AN OLD DOG NEW TRICKS & SAVE THEM FROM DEMENTIA Source: Stock & Brewster Kane Scientists at the University of California and University of Kentucky are saying it's a good idea to teach old dog new things. It brings benefits for aging dogs' brains. Here's what we know: The study involved 43 middle aged beagles over a 3-year period They engaged the dogs in free play and exercise daily The regime resulted in a 1.74% gain in cognition every year instead of yearly declines They used an MRI scan to measure brain structure changes When dogs were allowed to play with a variety of toys, exercise and free play with other dogs, their cognition steadily increased The MRIs showed the hippocampus area of the brain (associated with cognition) increased in size This area usually decreases with age The scientists a