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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 3.

Figure 3

High frequency EEG activity during NREM sleep in a control rat. (A) An excerpt taken of the final 5 sec of Figure 1C and shown here at an expanded time base. (filtered at 0.5–500 Hz). (B) The same recordings as in A but filtered at 80–500 Hz to illustrate high frequency activity. (C) A sleep spindle recording from electrode RA (see arrow). (D) HFO of ripple frequency also recorded on RA. Upper traces in C and D filtered at 0.5–500 Hz – lower traces 80–500 Hz.