1. A method that teaches patients to increase or to decrease the temperature of their hands by feedback with signals indicating hand temperature.

This has been used primarily in the treatment of headaches.

2. The monitoring of skin temperature as an index of blood flow changes because of the dilation and constriction of blood vessels, the feedback being displayed to the patient on a video monitor, accompanied by an audible signal.

It is used for stress management and in the treatment of hypertension, migraine, and Raynaud disease (usually a bilateral disease of the blood vessels; especially, of the extremities which might be caused by cold or emotion, accompanied by intermittent pallor, cyanosis, and redness, and generally accompanied by pain).