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. Author manuscript; available in PMC: 2022 Jan 18.
Published in final edited form as: Neuron. 2004 May 27;42(4):619–634. doi: 10.1016/s0896-6273(04)00247-8

Figure 8. Hippocampal EEG Power Spectrum across Sleep-Wake States and in Cataplexy.

Figure 8.

Hippocampal theta (3.5–6 Hz) power is significantly higher in REM sleep than in other sleep-waking states. Theta power is significantly higher during cataplexy than in AW and QW but lower than in REM sleep. Hippocampal EEG and EMG are also shown for each state. Power on y axis is presented in arbitrary units. **p < 0.01, compared to AW and QW.