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Please use this identifier to cite or link to this item: http://hdl.handle.net/10564/3505

Title: Reduced prefrontal hemodynamic response in adult attention-deficit hyperactivity disorder as measured by near-infrared spectroscopy.
Other Titles: 近赤外線スペクトロスコピィを用いた成人期注意欠如・多動症の前頭前野における血液動態反応の低下
Authors: Ueda, Shotaro
Ota, Toyosaku
Iida, Junzo
Yamamoto, Kazuhiko
Yoshino, Hiroki
Kishimoto, Naoko
Kishimoto, Toshifumi
Keywords: adult attention-deficit hyperactivity disorder
functional neuroimaging study
near-infrared spectroscopy
prefrontal hemodynamic response
Stroop Color-Word Task
Issue Date: Jun-2018
Publisher: Japanese Society of Psychiatry and Neurology / John Wiley & Sons, Inc.
Citation: Psychiatry and clinical neurosciences Vol.72 No.6 p.380-390 (2018 Jun)
Abstract: AIM: Recent developments in near-infrared spectroscopy (NIRS) have enabled non-invasive clarification of brain functions in psychiatric disorders. In pediatric attention-deficit hyperactivity disorder (ADHD), reduced prefrontal hemodynamic responses have been observed with NIRS repeatedly. However, there are few studies of adult ADHD by multi-channel NIRS. Therefore, in this study, we used multi-channel NIRS to examine the characteristics of prefrontal hemodynamic responses during the Stroop Color-Word Task (SCWT) in adult ADHD patients and in age- and sex-matched control subjects. METHODS: Twelve treatment-naïve adults with ADHD and 12 age- and sex-matched healthy control subjects participated in the present study after giving consent. We used 24-channel NIRS to measure the oxygenated hemoglobin (oxy-Hb) changes at the frontal lobes of participants during the SCWT. We compared the oxy-Hb changes between adults with ADHD and control subjects by t-tests with Bonferroni correction. RESULTS: During the SCWT, the oxy-Hb changes observed in the ADHD group were significantly smaller than those in the control group in channels 11, 16, 18, 21, 22, 23, and 24, corresponding to the prefrontal cortex. At channels 16, 21, 23, and 24 of the ADHD group, there were negative correlations between the symptomatic severity and the oxy-Hb changes. CONCLUSION: The present study suggests that adults with ADHD have reduced prefrontal hemodynamic response as measured by NIRS.
Description: 博士(医学)・乙第1422号・平成30年11月30日
© 2018 The Authors. Psychiatry and Clinical Neurosciences © 2018 Japanese Society of Psychiatry and Neurology
This is the pre-peer reviewed version of the following article: [https://onlinelibrary.wiley.com/doi/full/10.1111/pcn.12643], which has been published in final form at [https://doi.org/10.1111/pcn.12643]. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions.
URI: http://hdl.handle.net/10564/3505
ISSN: 13231316
Academic Degrees and number: 24601B1422
Degree-granting date: 2018-11-30
Degree name: 博士(医学)
Degree-granting institutions: 奈良県立医科大学
Appears in Collections:2018年度

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