1. Implementation of a beam forming technique in real-time magnetoencephalography.
- Author
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Hiroki Ora, Kouji Takano, Toshihiro Kawase, Sunao Iwaki, Lauri Parkkonen, and Kansaku, Kenji
- Subjects
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BEAMFORMING , *MAGNETOENCEPHALOGRAPHY , *BRAIN stimulation , *NEURAL stimulation , *NEUROSCIENCES , *VISUAL cortex , *BRAIN-computer interfaces - Abstract
Real-time magnetoencephalography (rtMEG) is an emergmg neurofeedback technology that could potentially benefit multiple areas of basic and clinical neuroscience. In the present study, we implemented voxel-based real-time coherence measurements in a rtMEG system in which we employed a beamformer to localize signal sources in the anatomical space prior to computing imaginary coherence. Our rtMEG experiment showed that a healthy subject could increase coherence between the parietal cortex and visual cortex when attending to a flickering visual stimulus. This finding suggests that our system is suitable for neurofeedback training and can be useful for practical brain-machine interface applications or neurofeedback rehabilitation. [ABSTRACT FROM AUTHOR]
- Published
- 2013
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