作業記憶を伴う視覚探索作業における精神的作業負担の各種生理指標による評価

DOI 被引用文献1件 参考文献26件

書誌事項

タイトル別名
  • EVALUATION OF THE MENTAL WORKLOAD DURING A VISUAL SEARCH TASK WITH WORKING MEMORY BY VARIOUS PHYSIOLOGICAL INDICES

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The aim of this study was to examine physiological responses during a mental task as indices of mental workload. Electroencephalogram (EEG), heart rate variability (HRV), brain haemodynamics, and blood pressure (BP) were measured during a visual search task accompanied with short-term memory. When the difficulty of task became greater, the larger changes in beta-1 power ratio of EEG and diastolic BP were observed. Along with work execution, parasympathetic nervous activity decreased. Furthermore, beta-1 power ratio and increase in diastolic BP showed a significant correlation. In conclusion, this study suggests that beta-1 power ratio of EEG and diastolic BP are useful in the evaluation of mental workload as the degree of difficulty, and HRV might be effective to evaluate a time change of a mental workload with accomplishment of the task.

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詳細情報 詳細情報について

  • CRID
    1390001204456016000
  • NII論文ID
    110003488703
  • NII書誌ID
    AN1052804X
  • DOI
    10.20718/jjpa.10.4_169
  • ISSN
    24320986
    13423215
  • 本文言語コード
    ja
  • データソース種別
    • JaLC
    • CiNii Articles
    • KAKEN
  • 抄録ライセンスフラグ
    使用不可

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