Meditation can be defined as a practice where an individual uses a technique, such as focusing their mind on a particular object, thought or activity, to achieve a mentally clear and emotionally calm state. Meditation has been practiced since antiquity in numerous religious traditions and beliefs. The earliest records of meditation (dhyana) are found in the Upanishads of Hindu philosophy, and meditation plays a salient role in the contemplative repertoire of Buddhism and Hinduism. Since the .