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Improved magnetoenecphalography source reconstruction considering anatomical connectivity of cortical sources

Cited 1 time in Web of Science Cited 2 time in Scopus
Authors
Im, Chang-Hwan; An, Kwang-Ok; Lee, Chany; Jung, Hyun-Kyo; Jung, Ki-Young
Issue Date
2006-04
Publisher
Institute of Electrical and Electronics Engineers (IEEE)
Citation
IEEE Transactions on Magnetics, Vol.42 No.4, pp. 1379-1382
Keywords
공학Anatomical connectivitymagnetoencephalography (MEG) source reconstructionWiener estimation3-D geodesic distance
Abstract
In this paper, an improved magnetoencephalography (MEG) source reconstruction technique considering anatomical connectivity of cortical sources is proposed. The anatomical connectivity information was taken into account by calculating three-dimensional geodesic distance between neighboring sources, and then the resultant inverse solutions were compared with those of other cases: 1) inverse estimate without connectivity information; 2) use of Euclidean distance instead of geodesic distance. The proposed technique was applied to realistic simulations for a real brain anatomy, and the results showed that estimated sources can be smoother and more accurate by using the anatomical connectivity information.
ISSN
0018-9464
Language
English
URI
http://hdl.handle.net/10371/91840
DOI
https://doi.org/10.1109/TMAG.2006.871635
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College of Medicine/School of Medicine (의과대학/대학원)Dept. of Neurology (신경과학교실)Journal Papers (저널논문_신경과학교실)
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