Modality | Feature of interest | Traditional approach N400 | Rapid framework (rN400) |
---|---|---|---|
EEG | Peak amplitude (cong. vs. incong.) | ERP: |Vincong| > |Vcong|a | ERP: |Vincong| > |Vcong| |
Peak latency (ms) | ~ 400 msa | 420 ms | |
Scalp topography | Centro-parietal maximab | Max at parietal (Pz) | |
MEG | Amplitude difference (cong. vs. incong.) | ∆ c,d300–500 ms | ∆300–500 ms |
Spectral effects | ⇓ beta-band powere | ⇓ beta-band power | |
Cortical activation | ⇑ IFG, TL, IPLc,d,f | ⇑ IFG, TL, IPL |