Clinical Neurophysiology Glossary
100 terms total — 4 showing — Last updated 26 Oct 2026
photoparoxysmal response
An abnormal EEG response to intermittent photic stimulation characterized by spike-wave discharges.
vertex wave
A normal EEG pattern appearing as a sharp, high-amplitude negative wave over the central head region during light sleep.
volume conduction
The spread of electrical activity through tissue from its source to recording electrodes, affecting signal amplitude and...
WADA test
Invasive procedure using intracarotid anesthetic injection to assess language and memory lateralization before epilepsy...
wicket spikes
Benign EEG variant resembling epileptiform discharges but representing normal temporal lobe activity in drowsiness.