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Chunk #27 — FIRST QUESTIONS AND DEBATES (1989–1998) — Semantic Memory — Localization/neural source

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Thirty years and counting: finding meaning in the N400 component of the event-related brain potential (ERP).
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middle and superior temporal areas, inferior temporal areas, and prefrontal areas. Essentially these same brain areas in both hemispheres (although perhaps stronger in the LH) also have been identified by other neuroimaging techniques such as the magnetic counterpart of the ERP, the magnetoencephalogram (MEG), and the event related optical signal (Tse et al 2007); both have implicated the superior/middle temporal gyrus, temporal-parietal junction, and medial temporal lobe, and, with less consistency, the dorsolateral frontal cortex. These brain areas, as we know today, align with the distributed network presumed integral to semantic memory storage and processes, as independently identified by hemodynamic imaging and neuropsychological studies.