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Skin conductance is used as an indication of psychological or physiological arousal, the device measures the electrical conductance between 2 points, and is essentially a type of ohmmeter. This is of interest because the sweat glands are controlled by the sympathetic nervous system, so moments of strong emotion, change the electrical resistance of the skin. Skin conductance, also known as galvanic skin response (GSR) is a method of measuring the electrical conductance of the skin, which varies with its moisture level.

Galvanic skin response sensor price