PART I: DEMYSTIFICATION: History and Original Concepts on Yoga.- Yoga, Mind and the Psychosomatics.- Brain, Mind and Soul - Bridging the Gap.- PART II: STANDARDIZATION: Methods in Yoga and Mindfulness.- Attempts at Standardization.- PART III: APPLICATION: Yoga, Mindfulness and Mentalization.- Yoga and Psychotherapy.- Yoga and Maintenance of Psychophysical Health.