Electroencephalograph
Delta: 0-3Hz
Theta:4-7Hz
Alpha: 8-15Hz (Relaxed)
Beta: 16-31Hz (Alert)
Gamma: 32+Hz (Somatosentory)
NREM 1: Theta
NREM 2: Theta + Sleep spindles (~13Hz) + K complexes (single delta wave)
NREM 3 aka Slow Wave Sleep: Delta appearance then dominance
REM (Paralysed and dreaming)
Burst suppression ////...../////......///// normal for neonate, but bad if while awake
Sleep architecture = sleep spindles and K complexes LOST in encephalopathy
Theta:4-7Hz
Alpha: 8-15Hz (Relaxed)
Beta: 16-31Hz (Alert)
Gamma: 32+Hz (Somatosentory)
NREM 1: Theta
NREM 2: Theta + Sleep spindles (~13Hz) + K complexes (single delta wave)
NREM 3 aka Slow Wave Sleep: Delta appearance then dominance
REM (Paralysed and dreaming)
Burst suppression ////...../////......///// normal for neonate, but bad if while awake
Sleep architecture = sleep spindles and K complexes LOST in encephalopathy