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. Author manuscript; available in PMC: 2013 May 1.
Published in final edited form as: Neurobiol Dis. 2012 Feb 9;46(2):377–388. doi: 10.1016/j.nbd.2012.02.001

Figure 7.

Figure 7

HFOs can occur simultaneously on multiple channels. (A) Plotted is the percentage of HFOs that occurred on 1 or more recording channels at the same time. Five, 16 sec epochs obtained during NREM sleep were analyzed from 4 experimental rats and results were averaged. Data presented as mean ± S.E.M. (B and C) To evaluate similarities and differences between HFO that occurred synchronously on multiple channels, spectra were computed. (B) Traces show substantial differences in the wave forms recorded simultaneously at the different sites. Filter 80–500 Hz. (C) Despite differences in wave forms, spectra for these 4 events have similar frequency components with overlapping intensities.