Summary
The author presents experimental material demonstrating that skin resistance in electrographic investigations plays a much greater role than has been considered hitherto.
It is shown that with the accepted method of preliminary skin treatment with alcohol or with a mixture of alcohol and ether, the recording of electrograms, especially those from the extremities, is subject to amplitudinal and frequency distortions and to the variation of these distortions in time, when prolonged application of the electrodes to the skin of the patient is practiced.
The author suggests a standard method of measuring the interelectrode resistance, another one providing for skin treatment eliminating electrogram distortions and a criterion of the quality of skin treatment.
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Vodolazskii, L.A. The importance of the interelectrode resistance during registration of bioelectrical processes from the skin surface in man. Bull Exp Biol Med 48, 1281–1284 (1959). https://doi.org/10.1007/BF00785190
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DOI: https://doi.org/10.1007/BF00785190