<prompt> True about Galvanic Skin ResponseIndicator of thermal sweatingBy sweating because of sweat has electrolytesFall when sympathetic activity is highFall is associated with yogic practice  <response>: The Galvanic Skin Response GSR, also named Electrodermal Activity and Skin Conductance , is the measure of the continuous variations in the electrical characteristics of the skin, i.e. for instance the conductance, caused by the variation of the human body sweat glands. Ref guyton and hall textbook of medical physiology 12e p73 