This book emphasize the brain computer interface techniques, brain rhythms and mediation states. Meditation is linked to a decrease anxiety and depression and increased pain tolerance .The brain tunes the out the outer world during meditation and on brain scans of meditator, scientists can see increased activity in default mode network-which is associated with better memory, goal setting and self-awareness. Meditators have higher levels of alpha waves, which have been shown to reduce feelings of negative mood, tension, sadness and anger. Artificial Intelligence and Machine Learning has received great attention for development of Brain Computer Interface applications to solve difficult problems for several domains. The consent meditation practice can help calm your mind and do much more for your overall health. This book favorable for medical students, research scholars, scientist and all human being.