90分間のVDT(Visual Display Terminals)作業が健常男性の唾液中コルチゾールおよび気分、作業効率に及ぼす影響
THE EFFECTS OF PERFORMING TASKS ON VISUAL DISPLAY TERMINALS FOR 90 MINUTES ON SALIVARY CORTISOL, MOODS AND WORK EFFICIENCY IN HEALTHY MEN

Eri WATANABE, Kenny KUCHTA, Tsutomu KAMEI, Osamu MAZDA
2013 Japanese Journal of Physiological Anthropology  
We examined the psychosomatic effects of solVing mental arithmetic tasks en VDTs ( Visual Display Terminals ) for 90 minutes in 15 men between 20 and 23 years of age . Salivary cortisol levels at 30, 60, and 90 minutes after the start of the VDT tasks were not significant cQmpared with baseline level ( O minutes ), Sixty minutes after the start of the tasks, scores of measures representing ' stiffness of shoulders and tiredness of eyes ' were significantly higher than baseline , while
more » ... , motivation , and concentration were significantly lewer . Both the number of overall answers and the number of correct answers declined over time
doi:10.20718/jjpa.18.3_105 fatcat:c2ztg7caz5au3gjbkvyu6rfrn4