Title :
Estimation of multiple sources using time-frequency analysis of 3-D SEF to finger stimulation
Author :
Kim, B. ; Kobayashi, K. ; Uchikawa, Y.
Author_Institution :
Tokyo Denki Univ., Saitama
Abstract :
In this paper, a 3D second-order gradiometer connected to 39ch SQUIDs for magnetoencephalogram (MEG) measurement that can detect magnetic field components perpendicular (Br) and tangential to the scalp (Bthetas, Bphi) simultaneously was developed. The aim of this study is to estimate multiple sources in the brain using time-frequency analysis (wavelet transform) of 3-D SEF to different finger stimulation (thumb, fourth, and little finger).
Keywords :
magnetoencephalography; time-frequency analysis; 3D SEF; 3D second-order gradiometer; SQUIDs; finger stimulation; magnetoencephalography; multiple brain sources estimation; time-frequency analysis; Band pass filters; Electric variables measurement; Fingers; Magnetic field measurement; Position measurement; Scalp; Thumb; Time frequency analysis; Wavelet analysis; Wavelet transforms;
Conference_Titel :
Magnetics Conference, 2006. INTERMAG 2006. IEEE International
Conference_Location :
San Diego, CA
Print_ISBN :
1-4244-1479-2
DOI :
10.1109/INTMAG.2006.376277
