Cortical activation during reading aloud of long sentences: fMRI study

Naoki Miura, Kazuki Iwata, Jobu Watanabe, Motoaki Sugiura, Yuko Akitsuki, Yuko Sassa, Naho Ikuta, Hideyuki Okamoto, Yoshihiko Watanabe, Jorge Riera, Yasuhiro Maeda, Yoshihiko Matsue, Ryuta Kawashima

Research output: Contribution to journalArticlepeer-review

23 Citations (Scopus)


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.

Original languageEnglish
Pages (from-to)1563-1566
Number of pages4
Issue number12
Publication statusPublished - 2003 Aug 26


  • Functional magnetic resonance imaging
  • Long sentence
  • Reading aloud
  • Reading speed


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