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Mental Workload Promotes Incidence of Hot Flashes in Menopausal Women
Mi Kyong PARK,Noriaki SATOH,Masaharu KUMASHIRO 대한인간공학회 2007 대한인간공학회 학술대회논문집 Vol.- No.-
The aim of this study was to determine if menopausal hot flashes are triggered by mental workload and physiological changes during mental workload-induced hot flashes. Twelve women with moderate and severe menopausal hot flashes participated in the study. Subjects participated in both a mental arithmetic task (Task) and control (Non-task) experiments. We measured the skin potential level (SPL), heart rate, heart rate variability, blood pressure, near infrared spectroscopy, and skin temperature. Incidence of hot flashes were greater in Task than in Non-task (P=0.059). In the mental task, the percentage of correct responses decreased markedly in two subjects among the ten women in which hot flashes occurred. The SPL, rSO₂, HbI, chest and mean skin temperatures significantly increased during hot flashes compared with before their symptoms. The present study suggests that mental workload can promote incidence of hot flashes, and the hot flashes increase the physiological strain in the menopausal women.