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The brain knows the difference: two types of grammatical violations
Angela D Friederici1, Martin Meyer
1Max Planck Institute of Cognitive Neuroscience, P.O. Box 500 355, 04303 Leipzig, Germany. angelafr@cns.mpg.de
Brain Research
|April 1, 2004
Summary
The brain distinguishes between two types of syntactic processing: phrase structure and verb argument structure. Event-related brain potentials (ERPs) reveal distinct neural patterns for each process, confirming their neurophysiological reality.
Area of Science:
- Neuroscience
- Psycholinguistics
- Cognitive Science
Background:
- The brain processes semantic and syntactic linguistic information differently.
- Syntactic processing itself may involve distinct sub-processes.
Purpose of the Study:
- To investigate if the brain differentiates between phrase structure and verb argument structure processing.
- To identify distinct neural correlates for these two syntactic processes using event-related brain potentials (ERPs).
Main Methods:
- Analysis of event-related brain potentials (ERPs) during language comprehension tasks.
- Examining neural responses associated with processing phrase structure and verb argument structure.
Main Results:
- Phrase structure processing elicited an anterior negativity followed by a late centro-parietal positivity.
- Verb argument structure processing resulted in a centro-parietal negativity-positivity pattern.
- Distinct ERP patterns confirmed differential neural processing for the two syntactic components.
Conclusions:
- The brain neurophysiologically distinguishes between local syntactic structure building and argument structure processing.
- These findings support theoretical models positing separate mechanisms for different levels of syntactic analysis.
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