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ERIC Number: EJ797431
Record Type: Journal
Publication Date: 2008-Jul
Pages: 7
Abstractor: Author
Reference Count: 0
ISSN: ISSN-0093-934X
Masked Repetition Priming Using Magnetoencephalography
Monahan, Philip J.; Fiorentino, Robert; Poeppel, David
Brain and Language, v106 n1 p65-71 Jul 2008
Masked priming is used in psycholinguistic studies to assess questions about lexical access and representation. We present two masked priming experiments using MEG. If the MEG signal elicited by words reflects specific aspects of lexical retrieval, then one expects to identify specific neural correlates of retrieval that are sensitive to priming. To date, the electrophysiological evidence has been equivocal. We report findings from two experiments. Both employed identity priming, where the prime and target are the same lexical item but differ in case ("NEWS-news"). The first experiment used only forward masking, while the prime in the second experiment was both preceded and followed by a mask (backward masking). In both studies, we find a significant behavioral effect of priming. Using MEG, we identified a component peaking approximately 225 ms post-onset of the target, whose latency was sensitive to repetition. These findings support the notion that properties of the MEG response index specific lexical processes and demonstrate that masked priming can be effectively combined with MEG to investigate the nature of lexical processing. (Contains 3 figures and 4 tables.)
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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