Medical science is already started to spread various effects of meditation on the brain using different tools and techniques like FMRI, brain mapping technology, EEG. This allows the researchers to be able to determine the outcome of meditation on the brain and brain rhythms. In clinical problems also the meditation plays the main role in solving the many mental and physical problems like chronic pain. In this paper, we see different types of meditation like yoga, TM, sahaji yoga, raj yoga, zen meditation their effects on the physical and psychological health of human being. Also, study the basics of EEG signals and the brain rhythms and behavioral states. Acknowledge the effect of meditation on brain through EEG signals
