Movement-induced potentials in surface electrodes

  • S. Ödman
  • P. Åke Öberg


Movement-induced potentials of streaming potential type were studied in various electrode configurations. The geometric design of the electrode was important for the reduction of noise generated by the movements of gel. Potential and impedance variations were measured for electrode movements in electrolytes. The impedance variations were small and the streaming potentials were electrolyte-concentration dependent and in the order of 10μV. The same type of study was carried out for electrodes applied to the skin. The conclusion from this experiment is that skin deformation potentials dominate the disturbance pattern in this type of recordings.


E.C.G.-electrode Motion artefact Skin potential 


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Copyright information

© International Federation for Medical & Biological Engineering 1982

Authors and Affiliations

  • S. Ödman
    • 1
  • P. Åke Öberg
    • 1
  1. 1.Department of Biomedical EngineeringUniversity of LinköpingLinköpingSweden

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