Testing for the dual-route cascade reading model in the brain: an fMRI effective connectivity account of an efficient reading style.

Details

Serval ID
serval:BIB_BD4BB4663AB8
Type
Article: article from journal or magazin.
Collection
Publications
Title
Testing for the dual-route cascade reading model in the brain: an fMRI effective connectivity account of an efficient reading style.
Journal
Plos One
Author(s)
Levy J., Pernet C., Treserras S., Boulanouar K., Aubry F., Démonet J.F., Celsis P.
ISSN
1932-6203 (Electronic)
ISSN-L
1932-6203
Publication state
Published
Issued date
2009
Peer-reviewed
Oui
Volume
4
Number
8
Pages
e6675
Language
english
Notes
Publication types: Journal Article ; Research Support, Non-U.S. Gov'tPublication Status: epublish
Abstract
Neuropsychological data about the forms of acquired reading impairment provide a strong basis for the theoretical framework of the dual-route cascade (DRC) model which is predictive of reading performance. However, lesions are often extensive and heterogeneous, thus making it difficult to establish precise functional anatomical correlates. Here, we provide a connective neural account in the aim of accommodating the main principles of the DRC framework and to make predictions on reading skill. We located prominent reading areas using fMRI and applied structural equation modeling to pinpoint distinct neural pathways. Functionality of regions together with neural network dissociations between words and pseudowords corroborate the existing neuroanatomical view on the DRC and provide a novel outlook on the sub-regions involved. In a similar vein, congruent (or incongruent) reliance of pathways, that is reliance on the word (or pseudoword) pathway during word reading and on the pseudoword (or word) pathway during pseudoword reading predicted good (or poor) reading performance as assessed by out-of-magnet reading tests. Finally, inter-individual analysis unraveled an efficient reading style mirroring pathway reliance as a function of the fingerprint of the stimulus to be read, suggesting an optimal pattern of cerebral information trafficking which leads to high reading performance.
Keywords
Brain/physiology, Humans, Magnetic Resonance Imaging/methods, Models, Biological, Neuropsychological Tests, Reading
Pubmed
Web of science
Open Access
Yes
Create date
24/03/2013 20:20
Last modification date
20/08/2019 16:31
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