[Electroencephalography for patient with epilepsy].

Research output: Contribution to journalReview articlepeer-review


Electroencephalography (EEG) is the primary means by which epileptic activity in the brain is measured. The frequency of epileptic discharges is influenced by vigilance and biological rhythms. When checking for epileptic activity using EEG, measurements must be repeated and recordings made during sleep are recommended if epileptic discharges do not readily appear. Epileptic discharges must be classified as generalized or focal discharges, and discriminated from non-epileptic discharges such as vertex sharp transients, positive occipital sharp transients, 14 & 6 positive spike discharge, and artifacts. Attention should be paid to small sharp spikes, 6Hz spike and slow wave, focal slow waves, and generalized rhythmic slow waves, which should all be considered variants of epileptic activity. EEG provides information regarding focal and generalized brain dysfunction in addition to epileptic activity. Because the misreading of EEG may negatively affect the lives of patients, reading the EEG correctly is quite important.

Original languageEnglish
Pages (from-to)809-817
Number of pages9
JournalNihon rinsho. Japanese journal of clinical medicine
Issue number5
Publication statusPublished - Jan 1 2014
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Medicine(all)


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