Exactness of source analysis of biomagnetic signals of epileptiform spikes by the method of spatial filtering: A computer simulation

Medical and Biological Engineering and Computing

Volumn 35, Issue 6, 1997, Pages 708-714

  Wagner, H ^a   Eiselt, M ^a   Zwiener, U ^a  

^a FRIEDRICH SCHILLER UNIVERSITY JENA   (Germany)

Author keywords

MEG; Source analysis; Spatial filter; SVD

Indexed keywords

BRAIN; COMPUTER SIMULATION; PHYSIOLOGICAL MODELS; SIGNAL FILTERING AND PREDICTION; SIGNAL TO NOISE RATIO;

BIOMAGNETIC SIGNALS; EPILEPTIFORM SPIKES; SPATIAL FILTERING;

NEUROPHYSIOLOGY;

ALGORITHM; ARTICLE; COMPUTER SIMULATION; ELECTRODIAGNOSIS; EPILEPSY; MATHEMATICAL MODEL;

EID: 0031281775     PISSN: 01400118     EISSN: None     Source Type: Journal    
DOI: 10.1007/BF02510982     Document Type: Article

References (22)

1. ACHIM, A., RICHTER, F., and SAINT-HILAIRE, J.M. (1991): 'Methodological considerations for the evaluation of spatio-temporal source models', Electroenceph. Clin. Neurophysiol., 79, pp. 227-240
2. BAUMGARTNER, Ch., SUTHERLING, W.W., DI, S., and BARTH, D.S. (1989): 'Investigation of multiple simultaneously active brain sources in the electroencephalogram', J. Neurosci. Methods, 30, pp. 175-184
3. BAUMGARTNER, Ch., SUTHERLING, W.W., DI, S., and BARTH, D.S. (1991): 'Spatiotemporal modeling of cerebral evoked magnetic fields to median nerve stimulation', Electroenceph. Clin. Neurophysiol., 79, pp. 27-35
4. FUCHS, M., WAGNER, M., WISCHMANN, H.A., and DÖSSEL, O. (1995): 'Cortical current imaging: a new approach for MEG- reconstructions', in Eiselt, M., Zwiener, U., and Witte, H. (Eds): 'Quantitative and topological EEG and MEG analysis' (Universitätsverlag Jena) pp. 77-81
5. GOLDENSOHN, E.S., and SALAZAR, A.M. (1986): Temporal and spatial distribution of intracellular potentials during generation and spread of epileptogenic discharges', in DELGADO-ESCUETA, A.V., WARD, A.A., WOODBURY, D.M., and PORTER, R.J. (Eds.): 'Advances in neurology. (Raven Press, New York) pp. 559- 589
6. GREENBLATT, R.E. (1993): 'Probabilistic reconstruction of multiple sources in the bioelectromagnetic inverse problem', Inverse Prob., 9, pp. 271-284
7. GRUMMICH, P., KOBER, H., and VIETH, J. (1992): 'Localization of the underlying currents of magnetic brain activity using spatial filtering', Biomed. Eng. (Berlin), 37, pp. 158-159
8. IOANNIDES, A.A., BOLTON, J.B., and CLARKE, C.J.S. (1990): 'Continuous probabilistic solutions to the biomagnetic inverse problem', Inverse Prob., 6, pp. 523-542
9. LÜTKENHÖNER, B. (1995): 'Dipole and multidipole source analysis of magnetic fields: Possibilities and limitations', in: DEECKE, L., and BAUMGARTNER, C. (Eds.): 'Proceedings of the 9th International Conference on Biomagnetism' (Elsevier, Amsterdam) pp. 376-380
10. MITZDORF, U. (1985): 'Current source-density method and application in cat cerebral cortex: investigation of evoked potentials and EEG phenomena', Physiol. Rev., 65, pp. 37-100
11. MOSHER, J.C., SPENCER, M.E., LEAHY, R.M., and LEWIS, P.S. (1993): 'Error bounds for EEG and MEG dipole source localisation', Electroenceph. Clin. Neurophysiol, 86, pp. 303-321
12. OGURA, Y., and SEKIHARA, K. (1993): 'Relationship between dipole parameter estimation errors and measure conditions in magnetoencephalography', IEEE Trans., BME-40, pp. 919-924
13. OKADA, Y. (1985): 'Discrimination of localized and distributed current dipole sources and localized single and multiple sources In: Weinberg, U., Stroink, G., Katila, T. (eds.) Biomagnetism: Application and Theory, Pergamon Press, New York, pp. 266- 272
14. PARKER, R.L. (1977): 'Understanding Inverse Theory', ANN. Rev. Earth Planet. Sci., 5, pp. 35-64
15. PASCUAL-MARQUI, R.D., MICHEL, C.M., and LEHMANN, D. (1994): 'Low Resolution Electromagnetic Tomography: A New Method for Localizing Electrical Activity in the Brain', Int. J. Psychophysiol. , 18, pp. 49-65
16. PETERS, M., DE MUNCK, J. (1990): 'On the Forward and the Inverse Problem for EEG and MEG' In: Grandori, F., Hoke, M., Romani, G. L. (eds.): 'Auditory Evoked Magnetic Fields and Electric Potentials.', Adv. Audiol., Karger, Basel, 6, pp. 70-102
17. ROBINSON, S.E., and ROSE, D. (1992): 'Current Source Image Estimation By Spatially Filtered MEG' In: Hoke, M., Erné, S., N., Okada, J. C., Romani, G.L. (eds.): 'Biomagnetism: Clinical Aspects, (Excerpta Medica, Amsterdam)', pp. 337-378
18. SHAOFEN, T., BRADLEY, J.R., and WIKSWO, J.P., JR. (1990): 'The magnetic field of cortical current sources: The application of a spatialfiltering model to the forward and inverse problems', Electroenceph. Clin. Neurophysiol., 76, pp. 73-85
19. STOICA, P., and NEHORAI, A. (1989): 'MUSIC, maximum likelihood and Cramer-Rao bound', IEEE Trans. ASSP, 37, pp. 720- 741
20. STOK, C. J. (1986): 'The inverse problem in EEG and MEG with application to visual evoked responses' (Krisp Repro Meppel, Leiden)
21. WANG, J.Z., KAUFMANN, L., and WILLIAMSON, S.J. (1993): 'Imaging regional changes in the spontaneous activity of the brain: an extension of the minimum-norm least-squares estimate', Electroenceph. Clin. Neurophysiol., 86, pp. 36-50
22. WINER, B.J. (1971): 'Statistical principles in experimental design' (McGraw-Hill Kogakusha, Ltd.), p. 139