Adequate Spatial Sampling
For many years, biophysical analyses have shown that information is lost unless an intersensor distance of 1 to 2 cm is achieved with EEG sampling (Malmivuo & Plonsey, 1995; Ryynanen et al., 2004; 2006; Srinivasan et al., 1998).
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Detecting Clinical Signs
The spatial sampling of dEEG may be required not only to localize brain pathology, such as an epileptic spike, but alsoto detect it.
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Neurophysiology in the Brain
Whereas conventional EEG could only show the brain's electrical activity as it was propagated to the head surface, computational methods of source estimation registered to the MRI image of head anatomy are now being validated for clinical use (Lantz et al., 2003; Michel et al., 1999; 2004; Tucker et al., 2007), and refined for implementation within the workflow of a busy clinical laboratory.
Click here to learn more about EGI's GeoSource source estimation package. |
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Cost Savings in the EEG Laboratory
Because the Geodesic Sensor Net is fast and easy to apply, it improves EEG laboratory efficiency even for lower channel counts (32 and 64).
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