Atlas of EEG patterns

Alpha activity Occipital Alpha rhythm Bancaud's phenomenon Fast alpha variant Slow alpha normal Drowsiness Slow alpha variant Slow alpha abnormal Central Mu rhythm Temporal Wicket rhythm Wicket fragment / spike Generalized with coma Artifacts Cardiac EKG Pulse Ballistocardiographic Electrode Electrode pop Salt Bridge Perspiration Electrode/lead movement EMG Lateral rectus spike Photomyogenic (photomyoclonic) Glossokinetic (chew/swallow) Scalp/facial muscle EOG Blink Flutter Lateral REM Slow / Roving External 50/60 Hz ambient electrical noise Electrical devices Mechanical devices Movement Attenuation Focal Generalized Beta activity Central due to drowsiness Generalized Drowsiness Medications Coma BETS (small sharp spikes) BiPEDs Breach effect Burst suppression Cone wave (O wave, occipital wave) Delta activity Generalized Sleep Medications Abnormal slowing Metabolic abnormality Encephalopathy Coma Hypsarrhythmia Focal IRDA (projected slow waves, rythmes a distance) FIRDA OIRDA Electrocerebral inactivity/silence Brain death Epileptiform discharge, focal Spike w/ or w/o slow wave Polyspike w/ or w/o slow wave Sharp w/ or w/o slow wave MISD Rolandic spike (with dipole) Epileptiform discharge, generalized Spike and slow wave complex at <2.5/sec Spike and slow wave complex at 3/sec Spike and slow wave complex at >3.5/sec Polyspikes Secondary bilateral synchrony Fourteen and Six Positive Bursts (ctenoids, 14 and 6 per second positive spikes) Hypersynchrony Hypnapompic and hypnagogic Hyperventilation Ictal pattern Generalized Partial K complex Lambda waves (Sail waves) Occipital spikes of blindness PFA Focal Generalized