Midline theta rhythm (Ciganek)
From EEGpedia
Midline theta rhythm Synonyme: Ciganek rhythm
- Rhythmic train of 5-7Hz (6Hz)
- Duration: <20sec
- Smooth, sinusoidal, arch-like, spiky appearance (>50uV)
- Amplitude waxes and wanes
- Vertex (Cz)
- Fz > Pz >> parasagittal electrodes
- Wakefulness (concentration) and drowsiness
- Adults
- Not associated with epilepsy
Midline theta rhythm (Ciganek): sinusoidal theta rythm in Fz (source)