EEG, Drug Effects, and Central Nervous System Poisoning Gerhard Bauer Richard Bauer Alarge number of patients examined in an electroencephalographic (EEG) laboratory are under treatment with drugs that alter EEG…
Magnetoencephalography: Methods and Applications Riitta Hari Recording of weak magnetic fields outside the head by means of magnetoencephalography (MEG) emerged in the late 1960s, 40 years after the invention of…
Polysomnography: Technical and Clinical Aspects Sudhansu Chokroverty Rodney Radtke Janet Mullington Polysomnography (PSG) is the single most important laboratory technique for assessment of sleep and its disorders. PSG consists of…
Polygraphy Anton Kamp Gert Pfurtscheller Günter Edlinger Fernando H. Lopes Da Silva Polygraphy denotes the simultaneous recording of several physiologic and/or behavioral variables. The main reasons for the simultaneous recording…
Intraoperative Evoked Potential Monitoring Alan D. Legatt Sensory evoked potentials (EPs) are the electrical signals produced by the nervous system in response to a sensory stimulus. Auditory, visual, and somatosensory…
Monitoring EEG during Carotid Surgery Thoru Yamada Malcolm Yeh INTRODUCTION The studies from the North American Symptomatic Carotid Endarterectomy Trial Collaborators (1) and the European Carotid Surgery Trialists’ Collaboration Group…
Intracranial Monitoring: Depth, Subdural, and Foramen Ovale Electrodes Margitta Seeck Donald L. Schomer Ernst Niedermeyer INTRODUCTION In most Western societies, epilepsy affects around 0.7% of the population, that is, 2.1…
High-Frequency EEG Activity Jean Gotman Nathan E. Crone INTRODUCTION The electroencephalogram (EEG) is traditionally recorded and clinically interpreted with a low-pass filter set at 60 or 70 Hz. The most…
Infraslow EEG Activity Sampsa Vanhatalo Juha Voipio Kai Kaila INTRODUCTION The conventional way of recording EEG is more than half a century old. The early pioneers were faced with the…
Principles and Techniques for Long-Term EEG Recording (EMU, ICU, Ambulatory) Jean Gotman Marc Nuwer Ronald G. Emerson INTRODUCTION Most standard EEG recordings last 20 to 30 minutes and some are…
