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Proceedings Paper

Model-dependent noise elimination and distributed source solutions for the biomagnetic inverse problem
Author(s): Andreas A. Ioannidis; R. Hasson; G. J. Miseldine
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Paper Abstract

Biomagnetic data are analysed with methods which do not involve point source descriptions. A vector signal transformation, previously defined, is generalised to reveal localised features at different scales in developing chick embryos in ovo. A powerful, but computationally intensive method is applied to a range of evoked MEG signals. Post-inversion temporal filtering is finally used to reveal a weak signal which seems to be generated at a surprisingly distant source. In short this work demonstrates the versatility and power of modern biomagnetic techniques in detecting, sizing and imaging the impressed current density generated by biological function in a completely non-invasive fashion.

Paper Details

Date Published: 1 November 1990
PDF: 11 pages
Proc. SPIE 1351, Digital Image Synthesis and Inverse Optics, (1 November 1990); doi: 10.1117/12.23657
Show Author Affiliations
Andreas A. Ioannidis, Open Univ. (United Kingdom)
R. Hasson, Open Univ. (United Kingdom)
G. J. Miseldine, Open Univ. (United Kingdom)

Published in SPIE Proceedings Vol. 1351:
Digital Image Synthesis and Inverse Optics
Arthur F. Gmitro; Paul S. Idell; Ivan J. LaHaie, Editor(s)

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