Cortical activation during reading aloud of long sentences: fMRI study

The purpose of this study was to investigate human brain activity during the reading aloud of Japanese sentences using fMRI. Twenty-three right-handed normal Japanese subjects performed three reading tasks: covert reading of meaningful or meaningless sentences, and reading aloud of meaningful senten...

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Bibliographic Details
Published inNeuroreport Vol. 14; no. 12; p. 1563
Main Authors Miura, Naoki, Iwata, Kazuki, Watanabe, Jobu, Sugiura, Motoaki, Akitsuki, Yuko, Sassa, Yuko, Ikuta, Naho, Okamoto, Hideyuki, Watanabe, Yoshihiko, Riera, Jorge, Maeda, Yasuhiro, Matsue, Yoshihiko, Kawashima, Ryuta
Format Journal Article
LanguageEnglish
Published England 26.08.2003
Subjects
Adolescent
Adult
Analysis of Variance
Brain Mapping - methods
Cerebral Cortex - physiology
Female
Humans
Magnetic Resonance Imaging - methods
Male
Reading
Regression Analysis
Speech - physiology
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Summary:The purpose of this study was to investigate human brain activity during the reading aloud of Japanese sentences using fMRI. Twenty-three right-handed normal Japanese subjects performed three reading tasks: covert reading of meaningful or meaningless sentences, and reading aloud of meaningful sentences. Areas in the bilateral frontal and temporal cortices were activated during the reading-aloud task compared with the covert reading task. In addition, activation of these brain areas showed significant positive correlation with the reading speed during the reading-aloud task. Our results indicate that bilateral frontal-temporal networks are involved in phonological processing during reading aloud.
ISSN:0959-4965
DOI:10.1097/00001756-200308260-00004