Abstract
Scalp electroencephalography (EEG) is characterised by a limited spatial resolution and by a low sensitivity to generators distant from the cortical surface. In contrast, fMRI is characterised by a good spatial resolution, and it is sensitive to the signal of deep brain structures. By combining EEG with functional magnetic resonance imaging (fMRI), it is possible to detect blood oxygenation level-dependent (BOLD) signal changes related to EEG patterns detected on the scalp: EEG-pattern-associated networks can be detected anywhere in the brain with a good spatial resolution. This chapter gives an introduction to the methodology of EEG–fMRI and summarises EEG–fMRI studies focused on epilepsy-related investigations: EEG–fMRI studies on focal epilepsy, generalised epilepsy and paediatric epilepsy are presented.
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Abbreviations
- AAS:
-
Averaged artefact subtraction
- BOLD:
-
Blood oxygenation level-dependent
- EEG:
-
Electroencephalography
- fMRI:
-
Functional magnetic resonance imaging
- GSW:
-
Generalised spike-wave discharges
- HRF:
-
Haemodynamic response function
- IGE:
-
Idiopathic generalised epilepsy
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Moeller, F., Siniatchkin, M., Gotman, J. (2020). Simultaneous EEG and fMRI Recordings (EEG–fMRI). In: Ulmer, S., Jansen, O. (eds) fMRI. Springer, Cham. https://doi.org/10.1007/978-3-030-41874-8_13
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