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Figure 3: Awake EEG at term. Shows theta and delta activity with normal voltage (20–70 ėV). The faster frequencies (>50 Hz) seen in the temporal channels are due to muscle artifacts. Chin EMG shows rhythmic artifacts produced by sucking. At the top, aEEG trend for a period of fi ve hours. The band width between 5 and 20 ėV is normal, and the fl uctuations suggest sleep–wake cycling. The 12-second raw EEG sample in the lower part corresponds to the vertical bar on the right of the aEEG

Figure 3: Awake EEG at term. Shows theta and delta activity with normal voltage (20–70 ėV). The faster frequencies (>50 Hz) seen in the temporal channels are due to muscle artifacts. Chin EMG shows rhythmic artifacts produced by sucking. At the top, aEEG trend for a period of fi ve hours. The band width between 5 and 20 ėV is normal, and the fl uctuations suggest sleep–wake cycling. The 12-second raw EEG sample in the lower part corresponds to the vertical bar on the right of the aEEG