1 yantra means instrument. The Maharishi Vedic Observatory provides an experience that directly affects the physiology of the observer. These effects have been preliminarily studied using the Maharishi Pulse Diagnosis Program, which allows one to observe imbalances in the physiology before they become disease. Through this system, it is also possible to observe how the physiology reacts to various stimuli. Modern Western medical science has recently confirmed ancient Ayurvedic knowledge that one's perceptions affect one's physiology.
Every experience stimulates the production of neurotransmitter chemicals by the nervous system.
Very different neurotransmitters result from the perception of positive as opposed to negative experiences. These neurotransmitters have a profound influence in the body. In every case, a profound strengthening in the area of the pulse known as the Sadhaka subdivision of Pitta was perceived. In the Maharishi Ayur-Veda SM program, Vata, Pitta, and Kapha 1 are the primary doshas or constituents of the physiology. Pitta represents the element of metabolism that assimilates nourishment into the body.