鏡映描写時における呼気終末二酸化炭素分圧及び呼吸数 : 課題難易度の影響  [in Japanese] Partial pressure of end-tidal carbon dioxide and respiration rate during mirror drawing task : Effect of task difficulty  [in Japanese]

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Abstract

本研究の第一の目的は,競映描写課題(MDT)負荷が呼気終末二酸化炭素分圧(PetC0_2)及び呼吸数(RR)に与える影響を検討することであった.第二の目的は,課題難易度の上昇がMDT負荷時のPetC0_2及びRRに与える影響を検討することであった.10名の健常大学生が実験に参加した.4分間の安静後,2つの条件(易条件及び難条件)をこなし,続いて4分間の後課題期をこなした.難易度は道幅を狭めることで操作された.易条件におけるMDTはRRを有意に上昇させたが,PetC0_2には影響しなかった.両条件間のPetC0_2及びRRに有意差はなかった.これらの結果から,MDT自体はRRを上昇させるがPetC0_2には影響がないこと,そしてこれらの効果は課題難易度からは独立であることが明らかになった.

The first purpose of the present investigation was to examine the effect of mirror drawing task (MDT) on the partial pressure of end-tidal carbon dioxide (PetCO_2) and respiration rate (RR). The second was to examine effects of increased task difficulty on PetCO_2 and RR during MDT. 10 healthy undergraduates volunteered for this study. After the 4 minute rest period, they completed two conditions (the easy condition and the difficult condition) followed by the post-task period. The difficulty was manipulated by narrowing the width of the track. MDT in the easy condition induced a significant increase in RR and did not affect PetCO_2. There were no significant differences in PetCO_2 and RR between two conditions. These results implied that MDT may itself induce a significant elevation in RR but not affect PetCO_2. The results also suggested that these effects were independent of task difficulty.

Journal

  • Japanese Journal of Biofeedback Research

    Japanese Journal of Biofeedback Research 35(1), 47-52, 2008

    Japanese Society of Biofeedback Research

Codes

  • NII Article ID (NAID)
    110006655959
  • Text Lang
    JPN
  • ISSN
    0386-1856
  • Data Source
    NII-ELS  J-STAGE 
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