Detailed Information

Cited 0 time in webofscience Cited 0 time in scopus
Metadata Downloads

Differential reorganization of fusiform gyrus in two types of alexia after stroke

Authors
Pyun, Sung-BomSohn, Hyo-JeongJung, Jae-BumNam, Kichun
Issue Date
Oct-2007
Publisher
ROUTLEDGE JOURNALS, TAYLOR & FRANCIS LTD
Keywords
pure alexia; alexia with agraphia; fusiform gyrus; visual word form area; functional MRI
Citation
NEUROCASE, v.13, no.5-6, pp.417 - 425
Indexed
SCIE
SCOPUS
Journal Title
NEUROCASE
Volume
13
Number
5-6
Start Page
417
End Page
425
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/125701
DOI
10.1080/13554790701881715
ISSN
1355-4794
Abstract
Lesions affecting the left fusiform gyros (FG) commonly result in dyslexia and recovery largely depends on efficient reorganization of the reading network. We performed a follow-up fMRI study to elucidate the reorganization patterns of the FG according to the recovery of reading ability in two patients (MH with pure alexia and KM with alexia with agraphia) after stroke involving the left FG. Initially, MH was an effortful letter-by-letter (LBL) reader, and she improved to become a proficient LBL reader. The initial fMRI results showed scattered activation on occipital and ventral temporal cortex during reading, which was localized to right FG in the follow-up study. KM's severe alexia with agraphia did not improve, even after 6 months bad passed since the onset of the alexia. The initial and follow-up fMRI results showed no significant activation in the bilateral FG or central higher language areas during word reading. Our results suggest that the reorganization of the FG is different according to the type of alexia and the amount of clinical recovery in each patient. Also, the successful reorganization of the visual component of reading in the right FG is responsible for the recovery of LBL reading in pure alexia.
Files in This Item
There are no files associated with this item.
Appears in
Collections
School of Psychology > School of Psychology > 1. Journal Articles

qrcode

Items in ScholarWorks are protected by copyright, with all rights reserved, unless otherwise indicated.

Related Researcher

Researcher Nam, Ki chun photo

Nam, Ki chun
School of Psychology (School of Psychology)
Read more

Altmetrics

Total Views & Downloads

BROWSE