The quantitative measurement of consciousness during epileptic seizures

Andrea Nani, Andrea E. Cavanna*

*Corresponding author for this work

Research output: Contribution to journalArticle

Abstract

The assessment of consciousness is a fundamental element in the classification of epileptic seizures. It is, therefore, of great importance for clinical practice to develop instruments that enable an accurate and reliable measurement of the alteration of consciousness during seizures. Over the last few years, three psychometric scales have been specifically proposed to measure ictal consciousness: the Ictal Consciousness Inventory (ICI), the Consciousness Seizure Scale (CSS), and the Responsiveness in Epilepsy Scale-versions I and II (RES-I and RES-II). The ICI is a self-report psychometric instrument which retrospectively assesses ictal consciousness along the dimensions of the level/arousal and contents/awareness. The CSS has been used by clinicians to quantify the impairment of consciousness in order to establish correlations with the brain mechanisms underlying alterations of consciousness during temporal lobe seizures. The most recently developed observer-rated instrument is the RES-I, which has been used to assess responsiveness during epileptic seizures in patients undergoing video-EEG. The implementation of standardized psychometric tools for the assessment of ictal consciousness can complement clinical observations and contribute to improve accuracy in seizure classification.

Original languageEnglish
Pages (from-to)2-5
Number of pages4
JournalEpilepsy and Behavior
Volume30
Early online date7 Oct 2013
DOIs
Publication statusPublished - Jan 2014

Keywords

  • consciousness
  • contents
  • epilepsy
  • level
  • scales
  • seizure

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