Cortical Imaging of Sensorimotor Rhythm during On-line Control of Brain-computer Interface

It is of wide interest to study the brain activity that correlates to the control of Brain-Computer Interface (BCI). In the present study, we propose an approach to image the cortical rhythmic modulation by motor imagery using minimum-norm estimates (MNE) in the frequency domain. Cortical distributi...

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Bibliographic Details
Published in2007 Joint Meeting of the 6th International Symposium on Noninvasive Functional Source Imaging of the Brain and Heart and the International Conference on Functional Biomedical Imaging pp. 327 - 329
Main Authors Han Yuan, Doud, A.J., Gururajan, A., Bin He
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.10.2007
Subjects
Biological control systems
Brain computer interfaces
Communication system control
Electrodes
Electroencephalography
Frequency domain analysis
Frequency estimation
Magnetic resonance imaging
Rhythm
Scalp
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Summary:It is of wide interest to study the brain activity that correlates to the control of Brain-Computer Interface (BCI). In the present study, we propose an approach to image the cortical rhythmic modulation by motor imagery using minimum-norm estimates (MNE) in the frequency domain. Cortical distribution of mu activity during online control of BCI was obtained with the MNE. Statistical source analysis revealed maximum correlation with one-dimensional movement localized in sensorimotor cortex.
ISBN:1424409489
9781424409488
DOI:10.1109/NFSI-ICFBI.2007.4387766