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Electroencephalography functional magnetic resonance imaging : ウィキペディア英語版 | Electroencephalography functional magnetic resonance imaging
EEG-fMRI (short for ''EEG-correlated fMRI'' or ''electroencephalography-correlated functional magnetic resonance imaging'') is a multimodal neuroimaging technique whereby EEG and fMRI data are recorded synchronously for the study of electrical brain activity in correlation with haemodynamic changes in brain during the electrical activity, be it normal function or associated with disorders. ==Principle== Scalp EEG reflects the brain’s electrical activity, and in particular post-synaptic potentials (see Inhibitory postsynaptic current and Excitatory postsynaptic potential) in the cerebral cortex, whereas fMRI is capable of detecting haemodynamic changes throughout the brain through the BOLD effect. EEG-fMRI therefore allows measuring both neuronal and haemodynamic activity which comprise two important components of the neurovascular coupling mechanism.
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