Pseudo current density maps of electrophysiological heart, nerve or brain function and their physical basis

doi:10.1186/1477-044X-4-5

BioMagnetic Research and Technology

Volume 4

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Haberkorn W
Steinhoff U
Burghoff M
Kosch O
Morguet A
Koch H

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Steinhoff U
Burghoff M
Kosch O
Morguet A
Koch H
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Research

Pseudo current density maps of electrophysiological heart, nerve or brain function and their physical basis

Wolfgang Haberkorn¹, Uwe Steinhoff¹, Martin Burghoff¹, Olaf Kosch¹, Andreas Morguet² and Hans Koch¹

¹Physikalisch-Technische Bundesanstalt, Berlin, Germany

²Charité Campus Benjamin Franklin, Clinic II, Berlin, Germany

BioMagnetic Research and Technology 2006, 4:5doi:10.1186/1477-044X-4-5


Published:	13 October 2006

Abstract

Background

In recent years the visualization of biomagnetic measurement data by so-called pseudo current density maps or Hosaka-Cohen (HC) transformations became popular.

Methods

The physical basis of these intuitive maps is clarified by means of analytically solvable problems.

Results

Examples in magnetocardiography, magnetoencephalography and magnetoneurography demonstrate the usefulness of this method.

Conclusion

Hardware realizations of the HC-transformation and some similar transformations are discussed which could advantageously support cross-platform comparability of biomagnetic measurements.