Since the 1880s, when psychological factors in relation to electrodermal phenomena were first observed, electrodermal recording has become one of the most frequently used biosignals in psychophysiology. The main reason for this popularity is the ease of obtaining a distinct electrodermal response, the intensity of which seems apparently related to stimulus intensity and/or its psychological significance. This is even possible with rather inexpensive equipment, not only in the laboratory but also under less controlled field conditions.
KeywordsAlternate Current Sweat Gland Eccrine Sweat Gland Sympathetic Trunk Electrodermal Activity
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