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ERIC Number: EJ1006449
Record Type: Journal
Publication Date: 2013-May
Pages: 8
Abstractor: As Provided
Reference Count: 0
ISSN: ISSN-0093-934X
Charting the Functional Relevance of Broca's Area for Visual Word Recognition and Picture Naming in Dutch Using fMRI-Guided TMS
Wheat, Katherine L.; Cornelissen, Piers L.; Sack, Alexander T.; Schuhmann, Teresa; Goebel, Rainer; Blomert, Leo
Brain and Language, v125 n2 p223-230 May 2013
Magnetoencephalography (MEG) has shown pseudohomophone priming effects at Broca's area (specifically pars opercularis of left inferior frontal gyrus and precentral gyrus; LIFGpo/PCG) within [approximately]100 ms of viewing a word. This is consistent with Broca's area involvement in fast phonological access during visual word recognition. Here we used online transcranial magnetic stimulation (TMS) to investigate whether LIFGpo/PCG is necessary for (not just correlated with) visual word recognition by [approximately]100 ms. Pulses were delivered to individually fMRI-defined LIFGpo/PCG in Dutch speakers 75-500 ms after stimulus onset during reading and picture naming. Reading and picture naming reactions times were significantly slower following pulses at 225-300 ms. Contrary to predictions, there was no disruption to reading for pulses before 225 ms. This does not provide evidence in favour of a functional role for LIFGpo/PCG in reading before 225 ms in this case, but does extend previous findings in picture stimuli to written Dutch words. (Contains 1 table and 5 figures.)
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Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A