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Fractionating language comprehension via frequency characteristics of the human EEG

MPG-Autoren
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Roehm,  Dietmar
Max Planck Research Group Neurotypology, MPI for Human Cognitive and Brain Sciences, Max Planck Society;

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Bornkessel,  Ina
Department Neuropsychology, MPI for Human Cognitive and Brain Sciences, Max Planck Society;

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Frisch,  Stefan
Department Neuropsychology, MPI for Human Cognitive and Brain Sciences, Max Planck Society;

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Zitation

Roehm, D., Schlesewsky, M., Bornkessel, I., Frisch, S., & Haider, H. (2004). Fractionating language comprehension via frequency characteristics of the human EEG. NeuroReport, 15(3), 409-412. doi:10.1097/01.wnr.0000113531.32218.0d.


Zitierlink: https://hdl.handle.net/11858/00-001M-0000-0010-B534-1
Zusammenfassung
We present a new analysis technique for EEG research on language comprehension, which dissociates superficially indistinguishable event-related potential (ERP) components. A frequency-based analysis differentiated between two apparently identical but functionally distinct N400 effects in terms of activity in separable frequency bands, and whether the activity stemmed from increased power or phase locking. Whereas linguistic problem detection is associated with theta band activity (~3.5–7.5 Hz), conflict resolution correlates with activity in the delta band (1–3 Hz). The data further differentiate between the neuronal processing mechanisms involved in different types of conflict resolution on the basis of frequency characteristics (power vs phase locking).