Purpose - To test your power of concentration.
Materials - a helper
¦ Ask your helper to pat thetop of his or her head with one hand and to pat his or her stomach with theother hand.
¦ Have him or her to continue patting the head, but to start rubbing the stomach in a circular motion.
¦ Reverse the movements and have your helper rubhis or her head while patting his stomach.
Results It is easy for the hands to perform the samepattern of movement, but much concentration is necessary to successfully movethe hands simultaneously in two different patterns.
Why? Through repetition of motion, you become proficient atmoving the hands in the same pattern. Your brain is programmed to do this. Back-and-forth motions or circular motions are easily done, but only onepattern at a time. Both types of motion are in the brain’s many programs, butit takes much concentration to activate the two programs at the same time