著者
林 文代 杉浦 静子 坂本 弘
出版者
日本生理人類学会
雑誌
日本生理人類学会誌 (ISSN:13423215)
巻号頁・発行日
vol.8, no.2, pp.91-96, 2003-05-25 (Released:2017-07-28)
参考文献数
22

This study investigated a method of clarifying the effects of sound elements in music on blood pressure. As experimental sound conditions, two paired sets were made; one pair was composed music R and fluctuating noise corresponding to music R, the other pair was composed music S and fluctuating noise corresponding to music S. Subjects were exposed to each of the sounds for 130 sec at the most comfortable intensity level for each sound as adjusted by the individual subject. The blood pressure was measured continuously by Finapres. Elevation of the blood pressure while listening to music R was more dominant than that on exposure to fluctuating noise. That was, the effects of timbre and melody were manifested. On the contrary, the changes in blood pressure on listening to music S showed results similar to those on exposure to fluctuating noise, indicating that sound intensity, tempo, and rhythm were the main source of the effect. This study presented the new method for clarifying the physiological effects by the sound elements.
著者
松井 清夫 坂本 弘 滝川 寛 杉浦 静子
出版者
公益社団法人日本産業衛生学会
雑誌
産業医学 (ISSN:00471879)
巻号頁・発行日
vol.6, no.8, pp.445-448, 1964

Some facts related to menarche and menstrual disorder were reported in the previous report. This study was undertaken to clarify the factors affecting to take menstruation leave. Three hundred sixty-nine female workers in a chemical industry were observed from April, 1962 to December, 1963. And a comparison was made between female and male workers in the same workshop, regarding the rate of absence for reasons. Until March, 1963, the female workers were paid no wages for days of absence owing to menstruation; but, after April, 1963, wages during the menstruation leave became paid to them. By this change of terms of payment, the absence because of menstruation increased after April, 1963. Hence, a comparison in the rate of absence because of menstruation was made numerically between the period before March and that after April, 1963. The results were as follows. Before March, the monthly and weekly variation of the rate of absence because of menstruation could not be seen. But, after April, the rate decreased in the period 5th to 7th and 25th to 27th of a month. The rate of absence for reasons other than menstruation (i.e. private reasons, illness) also decreased in the same periods of a month among both females and males. The decrease at the end of a month is explained by the fact wages are paid in the period 25th to 27th of a month. The rate of absence was higher in the middle than at the end and beginning of a week. This fact may be considered as due to the influence of the information, that the absence because of menstruation including the off-day in undesirable, by the labor union of this workshop.