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Media type:
E-Article
Title:
Neuromagnetic evidence for early semantic access in word recognition
Contributor:
Pulvermüller, Friedemann;
Assadollahi, Ramin;
Elbert, Thomas
Published:
Wiley, 2001
Published in:
European Journal of Neuroscience, 13 (2001) 1, Seite 201-205
Language:
English
DOI:
10.1046/j.0953-816x.2000.01380.x
ISSN:
0953-816X;
1460-9568
Origination:
Footnote:
Description:
<jats:title>Abstract</jats:title><jats:p>Magnetic brain responses recorded in the human magnetoencephalogram (MEG) distinguished between words with different semantics but carefully matched for frequency and length. Multiple recordings from a single subject showed that 100 ms following stimulus onset, significantly stronger neuromagnetic responses were elicited by words with strong multimodal semantic associations than by other word material. At this early processing step, there was a highly significant correlation (0.80) between the magnitude of brain responses to individual words recorded over parieto‐occipital areas and their semantic association strengths. Subsequent to this early difference related to word meaning, additional differences in MEG responses emerged for words from different grammatical categories. Together, these results suggest that word meaning can be reflected by early neuromagnetic brain responses and before the grammatical information about the word is encoded.</jats:p>