... helps you modify your behavior by introducingthe unexpected to your brain and enlisting the aid of all your senses as you go through your day. An active brain is ahealthy brain, while inaction ... necessary props by feel, thenwash, shave, and so on, with your eyes shut. Your hands willprobably notice varied textures of your own body you aren'taware of when you are "looking."^ ... workout, tryusing just your nondominant hand.Another exercise that associates unusual sensory and mo-tor pathways in your cortex with a routine activity is to use your feet to put your socks and underwear...