crush soon after the brain rush another way to k i c k s t a r t t h e brain is with citrus fruits the smell activates the brain instantaneously whenever i am giving lectures i insist lemons are placed on every table so people are always alert says fernando dr rajeswaran is now researching the effects of neuro feedback which studies how synaptic strength can be enhanced using a noninvasive technique electrical activity of the brain is recorded during activities ordinarily we cannot influence our brainwave patterns because we lack awareness of them however through this technique we can see how brainwaves change within a few thousandths of a second after they occur and understand how to influence and alter them with continuing feedback coaching and practice we can usually retrain healthier brainwave patterns in most people it is a little like exercising or doing physical therapy with the brain enhancing cognitive flexibility and control the brain is like a muscle if you dont give it regular workouts its functions will decline