True about Galvanic Skin 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 12/e p73
Indicator of thermal sweating
| By sweating because of sweat has electrolytes
Fall when sympathetic activity is high
Fall is associated with yogic practice
General physiology