Changes of Cerebral Oxygenation by Near-Infrared Spectroscopy during the Reading Span Test in Community-Dwelling Elderly

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  • KODAMA Takayuki
    Department of Physical Therapy, Fukuoka Wajiro Rehabilitation College
  • MURATA Shin
    Faculty of Rehabilitation Sciences, Faculty of Health and Social Welfare Science, Nishikyusyu University
  • MURATA Jun
    Department of Health Sciences, Graduate School of Biomedical Sciences, Nagasaki University
  • TANAKA Shinichi
    Department of Physical Therapy, Fukuoka Wajiro Rehabilitation College

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Other Title
  • 地域在住高齢者における日本語Ｒｅａｄｉｎｇ　Ｓｐａｎ　Ｔｅｓｔ施行時の脳循環動態
  • チイキ ザイジュウ コウレイシャ ニ オケル ニホンゴ Reading Span Test シコウジ ノ ノウ ジュンカン ドウタイ

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Abstract

[Purpose] The purpose of this study was to measure the verbal working memory capacity of elderly subjects in the community by a reading span test (RST) of Japanese. [Subjects] The subjects were 11 elderly females aged 72.2 ± 5.8 years. [Method] Frontal lobe activity was evaluated during this test on the basis of changes in oxygenated hemoglobin (HbO2) measured by near-infrared spectroscopy. [Results] Significant increases in HbO2 were observed during 2-sentence tasks from task 1, immediately after initiation of the RST, to task 5. The increases were maintained until the end of the RST. [Conclusion] These results show that activity in the frontal lobe increases during the RST in the elderly, and working memory participates in the cognitive function of the frontal lobe.<br>

Journal

  • Rigakuryoho Kagaku

    Rigakuryoho Kagaku 24 (1), 21-24, 2009

    The Society of Physical Therapy Science

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