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The purpose

The purpose of this project is to develop the method of combined recording of electroencephalography (EEG) and functional magnetic resonance imaging (fMRI) in order to improve understanding of the relationship between electrical (EEG) and blood flow (fMRI) responses to epileptic discharges as a necessary step towards clinical use. One factor that currently limits the use of EEG−fMRI in patients with epilepsy is that a relatively large proportion of patients do not show any fMRI response despite epileptic activity having been detected on the EEG recorded during scanning. The reasons for this are unclear, which makes it difficult to predict in advance whether useful information will be gained from the scanning session. What is it about some epileptic discharges that results in a detectable change in the fMRI signal, while others which are no less obvious or frequent do not? This question will be addressed by determining the factors that are responsible for the occurrence of robust fMRI signal changes via detailed morphological, topographical and spectral analysis of the EEG signal on an event by event basis.

Provided treatments

  • Other: EEG-fMRI scanning
Tris trial is registered with FDA with number: NCT02410889. The sponsor of the trial is University of Birmingham and it is looking for 29 volunteers for the current phase.
Official trial title:
EEG-fMRI: Towards a Useful Clinical Tool in Epilepsy