Electrodermal Testing - Zyto Machines

Larry Law

​The first published evaluation of electrodermal activity (EDA) involving a galvanometer made by Zyto was published in the journal Missouri Medicine (114:238-244, 2017). Galvanometers pass a weak current between electrodes pressed to the skin and measure the resistance between them. The traditional theory of EDA proposes that skin resistance varies with the state of sweat glands located in the skin. Sweating is controlled by

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