Current dipole localization with an ideal magnetometer system

IEEE Transactions on Biomedical Engineering

Volumn 43, Issue 11, 1996, Pages 1049-1061

  Lütkenhöner, Bernd ^a  

^a UNIVERSITY OF MÜNSTER   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

ARTICLE; CONDUCTOR; COVARIANCE; DIPOLE; MAGNETIC FIELD; MAGNETOENCEPHALOGRAPHY; SIGNAL NOISE RATIO; SYSTEM ANALYSIS;

ELECTRIC CONDUCTIVITY; ELECTROMAGNETIC FIELDS; EQUIPMENT DESIGN; LEAST-SQUARES ANALYSIS; MAGNETOENCEPHALOGRAPHY; MODELS, NEUROLOGICAL; MODELS, STATISTICAL; MONTE CARLO METHOD;

EID: 0029958657     PISSN: 00189294     EISSN: None     Source Type: Journal    
DOI: 10.1109/10.541247     Document Type: Article

References (42)

1. A. van Oosterom, Mathematical aspects of source modeling," Acta Oto-Laryngol. (Stockh.), vol. suppl. 491, pp. 70-79, 1991.
2. Y. Okada, Discrimination of localized and distributed current dipole sources and localized single and multiple sources," in Biomagnetism: Applications and Theory, H. Weinberg, G. Stroink. and T. Katila. Eds. New York: Pergamon, 1985. pp. 266-272.
3. P. L. Nunez, The brain's magnetic field: Some effects of multiple sources on localization methods," Electroenceph. Clin. Neurophysiol., vol. 63, pp. 75-82, 1986.
4. J. Wikswo and B. Roth, Magnetic determination of the spatial extent of a single cortical current source: A theoretical analysis," Electroenceph. Clin. Neurophysiol, vol. 69, pp. 266-276, 1988.
5. S. Supek and C. J. Aine, Simulation studies of multiple dipole neuromagnetic source localization: Model order and limits of source resolution." IEEE Trans. Biomed. Eng., vol. 40, pp. 529-540, 1993.
6. R. Lütkenhöner, Dipole and multidipole source analysis of magnetic fields: Possibilities and limitations," in Biomagnetism: Fundamental Research and Clinical Applications, C. Baumgartner, L. Deecke, G. Stroink, and S. Williamson Eds. Amsterdam, The Netherlands: Elsevier, 1995, pp. 376-380.
7. E. Menninghaus, B. Lütkenhöner, and S. Gonzalez, Localization of a dipolar source in a skull phantom: Realistic versus spherical model," IEEE Trans. Biomed. Eng., vol. 41, pp. 986-989, 1994.
8. U. Cohen, B. Cuffin, K. Yunokuchi, R. Maniewski, C. Purcell, G. Cosgrove, J. Ives, J. Kennedy, and D. Schomer, MEG versus EEG localization test using implanted sources in the human brain," Ann. Neurol., vol. 28, pp. 811-817, 1990.
9. [91 C. Pantev, C. Gallen, S. Hampson, S. Buchanan, and D. Sobel, Reproducibility and validity of neuromagnetic source localization using a large array biomagnetometer," Am. J. EEG Technol., vol. 31, pp. 83-101, 1991.
10. B. N. Cuffin, A comparison of moving dipole inverse solutions using EEG's and MEG's," IEEE Trans. Biomed. Eng., vol. BME-32, pp. 905-910, 1985.
11. S. Kuriki, M. Murase, and F. Taketichi, Locating accuracy of a current source of neuromagnetic responses: Simulation study for a single current dipole in a spherical conductor," Electroenceph. Clin. Neurophysiol., vol. 73, pp. 499-506, 1989.
12. B. Lütkenhöner, Möglichkeiten und Grenzen der Neuromagnetischen Quellenanalyze, Lit, Münster, 1992.
13. R. Hari, S. Joutsiniemi, and J. Sarvas, Spatial resolution of neuromagnetic records: Theoretical calulations in a spherical model," Electroenceph. Clin. Neurophysiol, vol. 71, pp. 64-72, 1988.
14. J. C. Mosher, M. E. Spencer, R. M. Leahy, and P. S. Lewis, Error bounds for EEG and MEG dipole source localization," Electroenceph. Clin. Neurophysiol. vol. 86, pp. 303-321, 1993.
15. B. Cuffin and D. Cohen, Effects of detector coil size and configuration on measurements of the magnetoencephalogramm," J. Appl. Phys., vol. 54, pp. 3589-3594, 1983.
16. B. N. Cuffin, Effects of measurement errors and noise on MEG moving dipole inverse solutions," IEEE Trans. Biomed., Eng., vol. 33, pp. 854-861, 1986.
17. K. Abraham-Fuchs, S. Schneider, and H. Reichenberger, MCG inverse solution: Influence of coil size, grid size, number of coils, and SNR," IEEE Trans. Biomed. Eng., vol. 35, pp. 573-576, 1988.
18. D. Buchanan, Impact of different noise sources on dipole localization in the spherical model: A simulation," in Advances in Biomagnetism, S. Williamson, M. Hoke, G. Stroink, and M. Kotani, Eds. New York: Plenum, 1989, pp. 539-542.
19. J. Knuutila and M. S. Hämäläinen, On the spatial locating accuracy of multichannel magnetometers," in Advances in Biomagnetism, S. Williamson, M. Hoke, G. Stroink, and M. Kotani, Eds. New York: Plenum, 1989, pp. 713-716.
20. G. L. Romani and V. Pizella, Localization properties of multi-sensor biomagnetic systems," Acta Oto Laryngol. (Stockh.), vol. suppl. 491, pp. 43-50, 1991.
21. D. Cohen and B. Cuffin, Demonstration of useful differences between magnetoencephalogram and electroencephalogram," Electroen-ceph. Clin. Neurophysiol., vol. 56, pp. 38-512, 1983.
22. B. Scholz and G. Schwierz, Probability-based current dipole localization from biomagnetic fields," IEEE. Trans. Biomed. Eng., vol. 41, pp. 735-742, 1994.
23. J. Meijs, T. Bosch, M. Peters, and T. Lopes da Silva, On the magnetic field distribution generated by a dipolar current source situated in a realistically shaped compartment model of the head," Electroenceph. Clin. Neurophysiol, vol. 66, pp. 286-298, 1987.
24. M. Hämäläinen and J. Sarvas, Realistic conductivity geometry model of the human head for interpretation of neuromagnetic data," IEEE Trans. Biomed. Eng., vol. 36, pp. 165-171, 1989.
25. B. Lütkenhöner, E. Menninghaus, O. Steinsträter, C. Wienbruch, H. Gißler, and T. Elbert, Neuromagnetic source analysis using magnetic resonance images for the construction of source and volume conductor model," Brain Topogr., vol. 7, pp. 291-299, 1995.
26. B. Cuffin and D. Cohen, Magnetic fields of a dipole in special volume conductor shapes," IEEE Trans. Biomed. Eng., vol. BME-24, pp. 372-381, 1977.
27. S. Williamson and L. Kaufman, Magnetic fields of the cerebral cortex," in Biomagnetism, S. Erné, H.-D. Hahlbohm, and H. Lübbig, Eds. Berlin: de Gruyter, 1981, pp. 353-402.
28. R. Hari and R. Ilmoniemi, Cerebral magnetic fields," CRC Crit. Rev. Biomed. Eng., vol. 14, pp. 93-126, 1986.
29. J. Sarvas, Basic mathematical and electromagnetic concepts of the biomagnetic inverse problem." Phys. Med. Biol., vol. 32, pp. 11-22, 1987.
30. E. Menninghaus and B. Lütkenhöner, How silent are deep and radial sources in neuromagnetic measurements?" in Biomagnetism: Fundamen-tal Research and Clinical Applications, C. Baumgartner, L. Deecke, G. Stroink, and S. Williamson, Eds. Amsterdam, The Netherlands: Elsevier, 1995, pp. 352-356.
31. C. Lessard, H. Wu, and J. Winston, Localization of current dipole within a sphere by magnetic measurements," Comput. Methods and Programs in Biomed., vol. 20, pp. 45-49, 1985.
32. I. Dronshtein and K. Semendyayev, Handbook of Mathematics, 3rd ed. New York: Van Noslrand Reinhold, 1985.
33. [331 I. Gradstein and I. Ryshik, Tables of Series, Products, and Integrals. Thun: Harri Deutsch, 1981.
34. B. Lütkenhöner, Magnetic field arising from current dipoles randomly distributed in a homogeneous spherical volume conductor," J Appl. Phys., vol. 75, pp. 7204-7210, 1994.
35. B. Martin, Statistics for Physicists. London, U.K.: Academic, 1971.
36. B. Lütkenhöner, On the biomagnetic inverse procedure's capability of separating two current dipoles with a priori known locations," in Biomagnetism: Clinical Aspects, M. Hoke, S. Erné, Y. Okada, and G. Romani, Eds. Amsterdam, The Netherlands: Exccrpta Mcdica, 1992, pp. 687-692.
37. E. C. Benzel, J. D. Lewine, R. D. Bucholz, and W. W. Orrison, Magnetic source imaging: A review of the Magnes system of Biomagnetic Technologies Incorporated," Neurosurg., vol. 33, pp. 252-259, 1993.
38. W. H. Press, S. A. Teukolsky, W. T. Vetterling, and B. P. Flannery, Numerical Recipes in C. The art of Scientific Computing, 2nd ed. Camebridge: Cambridge Univ. Press, 1992.
39. B. Lütkenhöner, K. Lehnertz, M. Hoke, and C. Pantev, On the biomagnetic inverse problem in the case of multiple dipoles," Acta Oto-Laryngol. (Stockh.), vol. suppl. 491, pp. 94-105, 1991.
40. S. Kuriki, F. Takeuchi, and T. Kobayashi, Characteristics of the background fields in multichannel-recorded magnetic field responses," Electroenceph. Clin. Neurophysiol., vol. 92, pp. 56-63, 1994.
41. K. Sekihara, Y. Ogura, and M. Hotta, Maximum-likelihood estimation of current-dipole parameters for data obtained using multichannel magnetometer," IEEE Trans. Biomed. Eng., vol. 39, pp. 558-562, 1992.
42. B. Lütkenhöner, A simulation study of the resolving power of the biomagnetic inverse procedure," Clin. Phys. Physiol. Meas., vol. 12, Suppl. A, pp. 73-78, 1991.