a training program in which a person is given information about physiological processes (heart rate or blood pressure) that is not normally available with the goal of gaining conscious control of them

a training program in which a person is given information about physiological processes (heart rate or blood pressure) that is not normally available with the goal of gaining conscious control of them

congenital absence of the heart (as in the development of some monsters)

congenital absence of the heart (as in the development of some monsters)