A hagyományos EEG új feladatai

Béla Clemens, Szilvia Puskás

Research output: Review article

Abstract

Neurophysiological research suggests that the so-called "standard" EEG analysis has been confronted with new diagnostic challenges. The findings mainly concern the occurrence, the neurophysiological and clinical significance of epileptiform EEG discharges in several neurological and psychiatric disorders. In addition to well-known interictal and ictal discharges, a growing number of recently recognized epileptiform phenomena have been described. The first reports suggested that they might be relevant for the comprehensive description of epileptic dysfunction and might contribute to diagnosis and treatment as well. However, considerable improvement of present-day "standard" EEG technique is necessary to give an appropriate answer to most challenges. Reliable registration and quantitative assessment of well-known epileptiform transients require extended electrode coverage of the head (high-density EEG) and long-term recordings including waking and sleep states to estimate frequency and dyna-mics of targeted activities. Computer-based automatic event detection is preferable to spare time and cost of the evaluation. The authors review recent progress concerning epidemiology, neurophysiology and clinical impact of well-known epileptiform transients and candidate epileptiform activities in neurological and psychiatric conditions. However, recent results need confirmation in large patient populations; therefore, research should not be restricted to a few central laboratories.

Translated title of the contributionNew applications of conventional EEG analysis
Original languageHungarian
Pages (from-to)99-110
Number of pages12
JournalIdeggyogyaszati szemle
Volume73
Issue number3-4
DOIs
Publication statusPublished - márc. 30 2020

Keywords

  • EEG
  • epileptiform transients
  • new challenges

ASJC Scopus subject areas

  • Neurology
  • Clinical Neurology

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