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Analysis on synchronous time-frequency components of human movement related cortical potential using wavelet transform

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1 Author(s)
Kawada, M. ; Dept. of Electr. & Electron. Eng., Tokushima Univ., Japan

Electroencephalogram (EEG) has been generally known as a non-destructive method to examine the function of human brain. In recent years, brain-computer interface (BCI) based on EEG has been a growing field of research and development. This work presents to identify time frequency components of movement-related cortical potential (MRCP) associated with the human voluntary muscle behaviors using the wavelet transform. The EEG was recorded with the 5-channel referential derivations, Fz, Cz, C3, C4, Pz, referenced to the right earlobe based on the international 10-20 system. The voluntary activity was recorded with the electrode placed on the palm side of the metacarpophalangeal joint when the subjects flexed the right - or left - hand index finger respectively and eyes closed. The synchronous time-frequency components of MRCP were shown in this study.

Published in:

Engineering in Medicine and Biology Society, 2004. IEMBS '04. 26th Annual International Conference of the IEEE  (Volume:1 )

Date of Conference:

1-5 Sept. 2004