The volume conductor may act as a temporal filter on the ECG and EEG

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Stinstra, J.G. and Peters, M.J. (1998) The volume conductor may act as a temporal filter on the ECG and EEG. Medical and biological engineering and computing, 36 (6). pp. 711-716. ISSN 0140-0118

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Abstract:The influence of the volume conductor on the EEG, MEG, fetal ECG and fetal MCG is studied by means of simulations. The assumption that the Maxwell equations can be used in a quasi-static approximation is reconsidered and the fact that the conductivity of human tissue is frequency dependent is taken into account. It is found that displacement currents have a substantial effect on the fetal ECG and to a lesser degree on the fetal MCG. Moreover, the frequency dependence of the conductivity of the tissues within the head may have a considerable effect on the EEG.
Item Type:Article
Copyright:© 1998 Springer
Faculty:
Science and Technology (TNW)
Link to this item:http://purl.utwente.nl/publications/59748
Official URL:http://dx.doi.org/10.1007/BF02518873
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