Biofeedback is a natural method that has been found to be helpful for many persons with migraine headaches, ADHD, epilepsy, stroke, anxiety, addictions, asthma, depression, hypertension, muscle spasms, sleep disturbance, chronic pain, stomach pain, stress, and other symptoms and conditions for both children and adults.
If the electric circuit is purely resistive, that is, a configuration of resistors only connected to a battery; the source energy continually gets dissipated entirely in the form of heat. This is known as the heating effect of electric current.
convection current a current caused by movement by convection of warmer fluid into an area of cooler fluid. direct current a current that flows in one direction only; when modeled as a wave, its amplitude is constant. When used medically it is called galvanic current. This current has distinct and important polarity and marked secondary chemical effects.