To know how meditation works, you have to know how our brain works. Our brain is an electrochemical organ using electromagnetic energy to function. Electrical activity emanating from the brain is in the form of brainwaves. There are four categories of these brainwaves. They range from the high amplitude, low frequency delta to the low amplitude, high frequency beta. Men, women and children of all ages experience the same characteristic brainwaves. They are consistent across cultures and country boundaries.
These waves are responsible for arising various behaviors in a human, as seen from the picture. During meditation, these brain waves alter. Simulating a specific kind of brain waves is the process of meditation.
