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  On the role of phonological short-term memory in sentence processing: EPP single case evidence on modality-specific effects

Kotz, S. A., von Cramon, D. Y., & Friederici, A. D. (2005). On the role of phonological short-term memory in sentence processing: EPP single case evidence on modality-specific effects. Cognitive Neuropsychology, 22(8), 931-958. doi:10.1080/02643290442000400.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0010-CE60-7 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002C-66AD-1
Genre: Journal Article

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Kotz, Sonja A.1, Author              
von Cramon, D. Yves2, Author              
Friederici, Angela D.1, Author              
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1Department Neuropsychology, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634551              
2Department Cognitive Neurology, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634563              

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 Abstract: The present study explored a possible interaction between distinct language processes and compo- nents of phonological short-term memory (pSTM) in a patient with a pSTM profile. Event-related brain potentials (ERPs) were recorded while HG and age-matched controls engaged in auditory and visual sentence correctness tasks. Stimulus onset asynchrony (SOA) was varied in the visual modality. Controls showed an early anterior negativity followed by a P600 for syntactic violations and an N400 for semantic violations in the auditory and the short visual SOA condition. In the long visual SOA condition only a P600 and an N400 were observed. Across all tasks, HG displayed a comparable early anterior negativity and N400 pattern to controls. However, the P600 was replaced by a centro-parietal negativity (500–800 ms) that was followed by a very late positivity (900–1300 ms) in the visual modal- ity, indicating that late syntactic processes are sensitive to SOA manipulation. This result implies that the cortical regions lesioned in HG may be part of a neural network that engages the pSTM system during “temporally variable” late syntactic processing in the visual modality. The combined results indicate that the pSTM system differentially impacts semantic and late syntactic processes.

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Language(s): eng - English
 Dates: 2005
 Publication Status: Published in print
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 Rev. Method: -
 Identifiers: eDoc: 264563
Other: P7162
DOI: 10.1080/02643290442000400
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Title: Cognitive Neuropsychology
Source Genre: Journal
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Publ. Info: London : L. Erlbaum Associates
Pages: - Volume / Issue: 22 (8) Sequence Number: - Start / End Page: 931 - 958 Identifier: ISSN: 0264-3294
CoNE: /journals/resource/954925267291