The mutations reveal that every time a person learns something, he has to switch on some of these genes in order to lay down new connections between brain cells. (discovermagazine.com)
Activities that engage your brain like learning and certain kinds of «cognitive training» increase connections between brain cells. (sciencemediacentre.org)
Everything a puppy experiences in these first few weeks of life establishes connections between the brain cells. (dogsbarn.com)