Fig. 1From: Persistent psychosis associated with extreme delta brush in anti-NMDA receptor encephalitis: a case reportA - EEG during wakefulness showing slowing of background activity and extreme delta brushes (EDBs) predominantly in the left frontal region. B - EEG during somnolence (sleep stage N1) with predominantly irregular delta rhythms without EDB. EEG parameters: sensitivity 15 µV/mm; High frequency filter 70 Hz; low frequency filter 0,5 Hz; notch filter on; sampling rate: 1024 Hz; acquisition speed 30 mm/secondBack to article page