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. Author manuscript; available in PMC: 2016 May 19.
Published in final edited form as: Epilepsia. 2012 Mar;53(3):459–468. doi: 10.1111/j.1528-1167.2012.03408.x

Figure 3.

Figure 3

High frequency oscillation in the 80–200 Hz range is associated with ictal events. Recordings from a sagittal brain slice with corresponding spectral analyses showing an ictal discharge in the anterior (A) and posterior (B) regions. Wideband and filtered traces (80–200 Hz) showing high-frequency activity during a 1 s time period are shown in a and b. Time histograms (1 s bins) indicate the HFO occurrence (black bars, 1 s bins) and the frequency of spikes occurring during ictal activity (solid lines) for the events shown in A and B.