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| Research article summary (published 30 Mar 2003): |
The role of motion direction selective extrastriate regions in reading: a transcranial magnetic stimulation study.
Full Abstract
Why reading ability is correlated with motion processing ability is perplexing. Activity in motion direction processing regions (Area V5/MT+) was perturbed by means of repetitive transcranial magnetic stimulation (rTMS) to examine its effect on reading. A functional probe (significant shortening of the motion aftereffect) was used to identify Area V5/MT+. Right-handed participants (8 m, 8 f) received three 7.5 min blocks of rTMS, after which two phonological and one orthographic reading tasks were administered. Application of rTMS to Area V5/MT+ (as compared to a non-rTMS baseline) significantly decreased performance only during non-word naming. The pattern of naming errors and the absence of deficits on the second phonological task were not consistent with a role for Area V5/MT+ in phonological decoding. Instead, its role in reading may be limited to image stabilization and/or letter localization.
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Author information
Author/s: Liederman, Jacqueline (J); McGraw Fisher, Janet (J); Schulz, Marcela (M); Maxwell, Carolyn (C); Théoret, Hugo (H); Pascual-Leone, Alvaro (A);
Affiliation: Brain, Behavior and Cognition Program, Boston University, 64 Cummington Street, MA 02215, USA. liederma(-atsign-)bu.edu
Grants: M01 RR01032 (Agency:United States NCRR) ; MH-13923 (Agency:United States NIMH) ; MH-48832 (Agency:United States NIMH) ; MH60734 (Agency:United States NIMH) ; R01EY12091 (Agency:United States NEI)
Journal and publication information
Publication Type: Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, P.H.S.
Journal: Brain and language (Brain Lang), published in United States. (Language: eng)
Reference: 2003-Apr; vol 85 (issue 1) : pp 140-55
Dates: Created 2003/04/08; Completed 2003/07/01; Revised 2007/11/14;
PMID: 12681353, status: MEDLINE (last retrieval date: 11/6/2008)
Sourced from the National Library of Medicine. Abstract text and other information may be subject to copyright.
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