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タイトル: | Night-Time noise index based on the integration of awakening potential |
著者: | Tagusari, Junta Takashima, Tomoya Furukawa, Satoshi Matsui, Toshihito |
著者名の別形: | 田鎖, 順太 高島, 智哉 |
キーワード: | night-time noise sleep sleep disturbance awakening neurophysiology Phillips-Robinson model |
発行日: | 1-Mar-2016 |
出版者: | MDPI AG |
誌名: | International Journal of Environmental Research and Public Health |
巻: | 13 |
号: | 3 |
論文番号: | 272 |
抄録: | Sleep disturbance induced by night-time noise is a serious environmental problem that can cause adverse health effects, such as hypertension and ischemic heart disease. Night-time noise indices are used to facilitate the enforcement of permitted noise levels during night-time. However, existing night-time noise indices, such as sound exposure level (SEL), maximum sound level (LAmax) and night equivalent level (Lnight) are selected mainly because of practical reasons. Therefore, this study proposes a noise index based on neurophysiological determinants of the awakening process. These determinants have revealed that the potential on awakening is likely integrated into the brainstem that dominates wakefulness and sleep. From this evidence, a night-time noise index, Nawake, year, was redefined based on the integration of the awakening potential unit (punit) estimated from the existing dose-response relationships of awakening. The newly-defined index considers the total number of awakenings and covers a wide-range and number of noise events. We also presented examples of its applicability to traffic noise. Although further studies are needed, it may reveal a reasonable dose-response relationship between sleep disturbance and adverse health effects and provide a consistent explanation for the risks of different sound sources where the characteristics of noise exposure are quite different. |
著作権等: | © 2016 by the authors; licensee MDPI, Basel, Switzerland. This is an open access article distributed under the Creative Commons Attribution License (CC BY) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. |
URI: | http://hdl.handle.net/2433/214435 |
DOI(出版社版): | 10.3390/ijerph13030272 |
PubMed ID: | 26938546 |
出現コレクション: | 学術雑誌掲載論文等 |
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