On leitud, et madala sagedusega ergutussignaalide juures (< 1 kHz) mõõdetud naha elektrilises bioimpedantsis valitsevad sarvkihi elektrilised omadused.
Electrical bioimpedance is a technique that has been applied in a wide range of biomedical applications for detection of pathologies and adverse physiological events and for the monitoring of physiological processes and tissue dynamics.