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. Author manuscript; available in PMC: 2018 Oct 1.
Published in final edited form as: Respir Physiol Neurobiol. 2017 Jul 12;244:41–50. doi: 10.1016/j.resp.2017.07.001

Figure 3. A representative recording of GG muscle activity during wakefulness, NREM- and REM-sleep in a behaving DBH-cre mouse.

Figure 3

(A) An experimental mouse placed in a plethysmograph chamber, which is ventilated with room air for recordings of GG muscle activity and behavioral states. (B) An example of state-dependent activity of GG muscle in a naturally sleeping mouse. GG muscle activity is markedly decreased during transition from wakefulness to NREM sleep and further reduced during transition from NREM to REM sleep. During REM sleep, the GG muscle generates intense twitches with gradually increasing intensity towards the end of the state. The histograms show characteristic power spectra of EEG during wakefulness, NREM and REM sleep.