Fractionating language comprehension via frequency characteristics of the human EEG

被引：88
作者：
Roehm, D
Schlesewsky, M
Bornkessel, I
Frisch, S
Haider, H
机构：
[1] Univ Marburg, Jr Res Grp Neurolinguist, D-35032 Marburg, Germany
[2] Max Planck Inst Cognit Neurosci, Leipzig, Germany
[3] Salzburg Univ, Dept Linguist, A-5020 Salzburg, Austria
来源：
NEUROREPORT | 2004年 / 15卷 / 03期
关键词：
conflict resolution; delta band; evoked power; language comprehension; N400; phase-locking index; theta band; whole power;
D O I：
10.1097/00001756-200403010-00005
中图分类号：
Q189 [神经科学];
学科分类号：
071006 ;
摘要：
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 (similar to3.5-75 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).
引用
收藏
页码：409 / 412
页数：4
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