![]() ![]() Normal readings, for skin conductance, in a relaxed state are aroundĢ μS, but readings can vary greatly with environmental factors and skin type. (μm) - a mho is the inverse of an ohm, which is the measure of resistance. Some biofeedback systems display skin conductance in micro-mhos The standard measurement unit for conductance is called Siemens. Skin conductance, galvanic skin response and electro-dermal response (EDR) are different terms for similar physiological measures. As a person becomes more or less stressed, the skin's conductance increases or decreases proportionally. ![]() Clinically, changes in SC reflect changes in the activity of the sympathetic nervous system. ![]() The real time variation in conductance, which is the inverse of the resistance (an alternative measure of the Galvanic Skin Response), is calculated. A tiny electrical voltage so small it is not felt is applied through two electrodes, usually strapped to two fingers of one hand, in order to establish an electric circuit where the client becomes a variable resistor. Skin conductance (SC) is a measure of the skin's ability to conduct electricity. Need help selecting the right product? Just call 88. ![]()
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