did not quite reach significancep = 0.06
The reduction at the right central location did not quite reach significance (47 %, 1.1 μV, p = 0.06).
The reduction at the right central location did not quite reach significance (47 %, 1.1 μV, p = 0.06).
Also, of the remaining ten subjects, five showed a trend towards a gamma ERS ( p < 0.15), after artefact reduction.
Effect of Correction of the Extra-ocular Muscle (SMP) Artefact In both cohorts there was a strong trend towards a very small reduction in the mean, over all time-points, of the left and right central 65–85 Hz amplitude after the SMP artefact reduction process (group 1: 0.14 % = 2.6 nV, p = 0.057; group 2: 0.2 % = 3.0 nV, p = 0.076).
Is Neuronal Motor/Somatosensory Gamma Detectable in the Scalp EEG? Comparing across subjects there was a highly significant peak in left central gamma immediately after the button press in each of the two cohorts as can be seen in Figs. 3 b, 4 and 5 .