BOLD signal 1 EEG-fMRI IFG 1 N400 1 Semantic unification 1 adult 1 article 1 comprehension 1 controlled study 1 electroencephalogram 1 event related potential 1 female 1 functional magnetic resonance imaging 1 human 1 human experiment 1 inferior frontal gyrus 1 language 1 male 1 probability 1 supramarginal gyrus 1