The role of left perisylvian cortical regions in spelling  

Oleh:

Henry, Maya L. ; Beeson, Pélagie M. ; Stark, Amy J. ; Rapcsak, Steven Z.

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Brain and Language (Full Text) vol. 100 no. 1 (2007), page 44-52.
Topik: Phonological agraphia; Aphasia; Perisylvian cortex; Lexical agraphia; Spelling; Writing; Phonological processing
Fulltext: 100_01_Henry.pdf (765.29KB)

Isi artikel

In order to examine the role of left perisylvian cortex in spelling, 13 individuals with lesions in this area were administered a comprehensive spelling battery. Their spelling of regular words, irregular words, and nonwords was compared with that of individuals with extrasylvian damage involving left inferior temporo–occipital cortex and normal controls. Perisylvian patients demonstrated a lexicality eVect, with nonwords spelled worse than real words. This pattern contrasts with the deWcit in irregular word spelling, or regularity eVect, observed in extrasylvian patients. These Wndings conWrm that damage to left perisylvian cortex results in impaired phonological processing required for sublexical spelling. Further, degraded phonological input to orthographic selection typically results in additional deWcits in real word spelling.

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