High gamma mapping using EEG

  title={High gamma mapping using EEG},
  author={Felix Darvas and Reinhold Scherer and Jeffrey G. Ojemann and R. P. Rao and Kai J. Miller and Larry B. Sorensen},
High gamma (HG) power changes during motor activity, especially at frequencies above 70 Hz, play an important role in functional cortical mapping and as control signals for BCI (brain-computer interface) applications. Most studies of HG activity have used ECoG (electrocorticography) which provides high-quality spatially localized signals, but is an invasive method. Recent studies have shown that non-invasive modalities such as EEG and MEG can also detect task-related HG power changes. We show… CONTINUE READING
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