An inverse relation between event-related and time–frequency violation responses in sentence processing

Abstract The relationship between semantic and grammatical processing in sentence comprehension was investigated by examining event-related potential (ERP) and event-related power changes in response to semantic and grammatical violations. Sentences with semantic, phrase structure, or number violati...

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Bibliographic Details
Published in:Brain research 2007-07, Vol.1158, p.81-92
Main Authors: Davidson, D.J, Indefrey, P
Format: Article
Language:English
Subjects:
Acoustic Stimulation
Adult
Behavioral psychophysiology
Biological and medical sciences
Brain Mapping
Cognitive and behavioral neuroscience
Comprehension - physiology
Electroencephalography - methods
Electrophysiology
Evoked Potentials, Auditory - physiology
Female
Fundamental and applied biological sciences. Psychology
Grammatical
Humans
Male
N400
Neurology
P600
Psycholinguistics
Psychology. Psychoanalysis. Psychiatry
Psychology. Psychophysiology
Semantic
Semantics
Sentence processing
Spectrum Analysis
Time Factors
Time–frequency analysis
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Summary:Abstract The relationship between semantic and grammatical processing in sentence comprehension was investigated by examining event-related potential (ERP) and event-related power changes in response to semantic and grammatical violations. Sentences with semantic, phrase structure, or number violations and matched controls were presented serially (1.25 words/s) to 20 participants while EEG was recorded. Semantic violations were associated with an N400 effect and a theta band increase in power, while grammatical violations were associated with a P600 effect and an alpha/beta band decrease in power. A quartile analysis showed that for both types of violations, larger average violation effects were associated with lower relative amplitudes of oscillatory activity, implying an inverse relation between ERP amplitude and event-related power magnitude change in sentence processing.
ISSN:0006-8993
1872-6240
DOI:10.1016/j.brainres.2007.04.082