Localisation of cerebral function using topographical mapping of EEG: a preliminary validation study

A. Burgess, J. Gruzelier

Research output: Contribution to journalArticle

Abstract

In an attempt to validate the use of topographical mapping of EEG as a method of localising cerebral function, EEG was recorded during a simple motor task. A minimum of 20 sec artifact-free EEG was recorded from 24 healthy right handed subjects in each of 4 conditions: eyes open 1, motor task (left/right, order randomized), eyes open 2. EEG amplitude maps were computed in delta, theta, alpha, and beta (1 and 2). Differences were seen between the eyes open and the motor conditions in alpha, beta 1 and beta 2 localised to the motor and supplementary motor areas. It is argued that topographical mapping of EEG is a valid method of localising cognitive function in healthy individuals for the Luria task.

Original languageEnglish
Pages (from-to)254-257
Number of pages4
JournalElectroencephalography and Clinical Neurophysiology
Volume87
Issue number4
DOIs
Publication statusPublished - Oct 1993

Keywords

  • topographical mapping
  • localising cerebral function
  • EEG
  • motor task

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