精神作業による負担と疲労の評価　２．　１１時間の非規制計算作業負荷実験

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書誌事項

タイトル別名
  • Evaluation of mental stress and fatigue induced by performance of a mental task. 2. An Experiment in 11-h Self-Paced Calculating Task.
  • セイシン サギョウ ニ ヨル フタン ト ヒロウ ノ ヒョウカ 2 11ジカン
  • 2. An Experiment in 11-h Self-Paced Calculating Task
  • 2. 11時間の非規制計算作業負荷実験

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説明

An assessment of mental stress and fatigue was undertaken in 12 male students who did their best to perform a calculating task (addition and subtraction of 2-digit numbers) for 11 hours on a workday and rested without any task for 11 hours on a restday.<br>During the work period, occipital midline beta-2 (Ozβ2) amplitude, urinary adrenaline (A) and noradrenaline (NA) excretion, heart rate (HR), blood pressure (BP), subjective rating of tiredness (SRT), and subjective symptoms of fatigue (SSF) were higher than those during the rest period. Ozβ2 amplitude, diastolic pressure (DP), critical flicker fusion value (CFF), and performance level (number answered, percent correct) remained unchanged over the rest/work period. Moreover, A and NA excretion, HR, and systolic pressure (SP) changed parallel with their resting level. With the lapse of working hours, SRT and SSF elevated.<br>These results suggest that performance of calculating task causes mental stress which remains constant throughout the work period and that subjective fatigue increases with extension of working hours.

収録刊行物

  • 産業医学

    産業医学 36 (1), 9-15, 1994

    社団法人 日本産業衛生学会

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