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Published Online: 1 November 2003

Cerebrovascular Response to Cognitive Tasks and Hyperventilation Measured by Multi-Channel Near-Infrared Spectroscopy

Akira Watanabe, M.D., Koji Matsuo, M.D., Nobumasa Kato, M.D., and Tadafumi Kato, M.D.Authors Info & Affiliations
Publication: The Journal of Neuropsychiatry and Clinical Neurosciences
Volume 15, Number 4
https://doi.org/10.1176/jnp.15.4.442
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Abstract

We assessed the cerebral blood volume response in the bilateral frontal area in 10 healthy subjects during the design fluency task, verbal fluency task, and hyperventilation measured by 24-channel near-infrared spectroscopy. Oxygenated and total hemoglobin increased during the design fluency task and verbal fluency task and decreased during hyperventilation bilaterally, while deoxygenated hemoglobin did not change. The test-retest reliability examined in five subjects was acceptable to assess the cerebrovascular response to cognitive tasks and hyperventilation.

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Go to The Journal of Neuropsychiatry and Clinical Neurosciences
Go to The Journal of Neuropsychiatry and Clinical Neurosciences
The Journal of Neuropsychiatry and Clinical Neurosciences
Volume 15 • Number 4 • November 2003
Pages: 442 - 449
PubMed: 14627771

History

Published online: 1 November 2003
Published in print: November 2003

Authors

Affiliations

Akira Watanabe, M.D.
Received January 30, 2002; revised July 3, 2002; accepted July 11, 2002. From the Kawaguchi Hospital, Saitama, Japan; Laboratory for Molecular Dynamics of mental Disorders, Brain Science Institute, RIKEN, Saitama, Japan; Department of Psychiatry, JR Tokyo General Hospital, Tokyo, Japan; Department of Neuropsychiatry, Faculty of Medicine, University of Tokyo, Tokyo, Japan. Address correspondence to Dr. Akira Watanabe, Kawaguchi Hospital, Saitama, Japan. 6-17-34 Nishikawaguchi, Kawaguchi, Saitama 332-0021, Japan; [email protected] (E-mail).
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Koji Matsuo, M.D.
Received January 30, 2002; revised July 3, 2002; accepted July 11, 2002. From the Kawaguchi Hospital, Saitama, Japan; Laboratory for Molecular Dynamics of mental Disorders, Brain Science Institute, RIKEN, Saitama, Japan; Department of Psychiatry, JR Tokyo General Hospital, Tokyo, Japan; Department of Neuropsychiatry, Faculty of Medicine, University of Tokyo, Tokyo, Japan. Address correspondence to Dr. Akira Watanabe, Kawaguchi Hospital, Saitama, Japan. 6-17-34 Nishikawaguchi, Kawaguchi, Saitama 332-0021, Japan; [email protected] (E-mail).
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Nobumasa Kato, M.D.
Received January 30, 2002; revised July 3, 2002; accepted July 11, 2002. From the Kawaguchi Hospital, Saitama, Japan; Laboratory for Molecular Dynamics of mental Disorders, Brain Science Institute, RIKEN, Saitama, Japan; Department of Psychiatry, JR Tokyo General Hospital, Tokyo, Japan; Department of Neuropsychiatry, Faculty of Medicine, University of Tokyo, Tokyo, Japan. Address correspondence to Dr. Akira Watanabe, Kawaguchi Hospital, Saitama, Japan. 6-17-34 Nishikawaguchi, Kawaguchi, Saitama 332-0021, Japan; [email protected] (E-mail).
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Tadafumi Kato, M.D.
Received January 30, 2002; revised July 3, 2002; accepted July 11, 2002. From the Kawaguchi Hospital, Saitama, Japan; Laboratory for Molecular Dynamics of mental Disorders, Brain Science Institute, RIKEN, Saitama, Japan; Department of Psychiatry, JR Tokyo General Hospital, Tokyo, Japan; Department of Neuropsychiatry, Faculty of Medicine, University of Tokyo, Tokyo, Japan. Address correspondence to Dr. Akira Watanabe, Kawaguchi Hospital, Saitama, Japan. 6-17-34 Nishikawaguchi, Kawaguchi, Saitama 332-0021, Japan; [email protected] (E-mail).
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