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Figure 3Changes of cardiorespiratory activity during the rhombencephalic phase of sleep in a normal (A), decorticate (B) and mesencephalic (C) chronic cat. Disappearance of EMG is schematically indicated on the upper line and the crosses signal the movements of eyes. Scale of respiration (R) = 1 per min. (for EKG = 5 min.) Time scale: 5 minutes. |