Sternberg課題遂行中の脳波トポグラフィによる認知症早期診断法の予備的研究

DOI Web Site 被引用文献1件 参考文献5件

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タイトル別名
  • A Preliminary Study on Early Diagnosis for Dementia Using EEG Topography during Sternberg Task
  • Sternberg カダイ スイコウ チュウ ノ ノウハ トポグラフィ ニ ヨル ニンチショウ ソウキ シンダンホウ ノ ヨビテキ ケンキュウ

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Our goal is to establish an early diagnostic method for dementia by electroencephalography (EEG) usinga working memory task (Sternberg task). We studied four dementia patients and eighteen healthy subjects. In all subjects, the EEG was recorded while performing a Sternbergtask. A power spectrum value was calculated from the recorded brain waves, and EEG topography image was made based on recording from 19 electrodes. The resulting shape of distribution over the activated region of healthy subjects was an oval at around vertex points Fz, Cz, and Pz at frequencies of 4.392 Hz, 4.880 Hz, and 5.368 Hz, respectively. In contrast, the shape of power spectrum distribution in dementia patients was distorted. It is suggested that the difference in the shape of EEG topography is related to the dementia.

収録刊行物

  • 生体医工学

    生体医工学 47 (1), 64-69, 2009

    公益社団法人 日本生体医工学会

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