Dec 1, 1977

Automatic noctural sleep sampling: a useful method in clinical electroencephalography

Electroencephalography and Clinical Neurophysiology
J R Ives, P Gloor


The clinical usefulness of obtaining a sleep record in epileptic patients is well established. However, in many clinical EEG laboratories, it is difficult to obtain records at night during the patient's natural sleep. Thus, most sleep EEGs are recorded in the EEG laboratory during daytime and are induced by drugs. A 16 channel cable-telemetry system is described which automatically samples throughout the night the EEG of patients while sleeping in their room or ward without the aid of any medication. The electrodes and the cable-telemetry unit are applied to the patient in the afternoon and the system is checked. The patient is then instructed to plug the system into a wall box upon retiring and to disconnect it when he wakes up in the morning. The EEG samples are automatically written out during the night on one of the EEG machines located in the EEG laboratory to which the system is connected via spectral intra-hospital wiring. The duration of the samples and of the intervals separating them can be varied according to the circumstances. We have found this method to be very helpful in the investigation of epileptic patients, especially those considered for surgical treatment.

  • References4
  • Citations3


  • References4
  • Citations3


Mentioned in this Paper

Sleep, Slow-Wave
Electroencephalography Service (Procedure)
Electronics, Medical
Daytime brand of acetaminophen/dextromethorphan/phenylephrine

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