7. What Can the EEG Tell Us?
- John W. Miller MD, PhD Director, UW Regional Epilepsy Center, Professor of Neurology and Neurological Surgery2 and
- Howard P. Goodkin MD, PhD The Shure Professor of Neurology and Pediatrics, Director, Division of Pediatric Neurology3
Published Online: 10 JAN 2014
Copyright © 2014 John Wiley & Sons, Ltd.
How to Cite
Quigg, M. (2014) What Can the EEG Tell Us?, in Epilepsy (eds J. W. Miller and H. P. Goodkin), John Wiley & Sons, Oxford. doi: 10.1002/9781118456989.ch7
University of Washington, Seattle, WA, USA
Department of Neurology, University of Virginia, Charlottesville, VA, USA
- Published Online: 10 JAN 2014
- Published Print: 14 FEB 2014
Print ISBN: 9781118456941
Online ISBN: 9781118456989
- epileptic seizure;
- interictal epileptiform discharges
This chapter on the clinical utility of electroencephalogram (EEG) covers the following topics. The basics of the underlying physiology in the generation of the EEG and in the engineering principles of its recording are reviewed. The applications of EEG lie mainly in the diagnosis of epilepsy and in the evaluation of encephalopathy. Interictal epileptiform discharges (spikes), sometimes elicited by activation procedures, can be found in patients with epilepsy. Prolonged recordings with and without simultaneous video are important in capturing epileptic seizures in the diagnosis of medically intractable seizures and their nonepileptic mimics. The predictable changes in background patterns of EEG correlate with state (wakefulness or sleep) and with various degrees of encephalopathy.