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Associations of Morning-evening Preference with Morning Gastric Motility and Vital Parameters among Female High School Students Living in a Dormitory
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- Nose Yoko
- Graduate School of Human Science and Environment, University of Hyogo
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- Hayashi Ikuyo
- Graduate School of Human Science and Environment, University of Hyogo
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- Fujinaga Rina
- School of Human Science and Environment, University of Hyogo
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- Suzuki Maki
- Graduate School of Human Science and Environment, University of Hyogo
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- Kotani Kazuhiko
- Division of Community and Family Medicine, Jichi Medical University
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- Nagai Narumi
- Graduate School of Human Science and Environment, University of Hyogo School of Human Science and Environment, University of Hyogo
Bibliographic Information
- Other Title
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- 寮で生活する女子高校生の朝型-夜型指向性と朝の胃運動,バイタル指標との関連
- リョウ デ セイカツ スル ジョシ コウコウセイ ノ チョウガタ-ヤガタ シコウセイ ト アサ ノ イ ウンドウ,バイタル シヒョウ ト ノ カンレン
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Description
Objective: A previous study on female students with evening preference showed an attenuated activity of the cardiac autonomic nervous system (ANS) in morning and a fluctuated gastric motility caused by mealtime. We further examined the association of morning-evening (ME) preference with morning gastric motility and vital parameters in female high school students who have the same mealtime, as they live in a school dormitory.<br>Methods: Forty-one students were measured in terms of blood pressure, eardrum temperatures, electrocardiography (ECG), and electrogastrography for 10 min before breakfast at temporally setting measurement room in the dormitory. Cardiac ANS activity and averaged heart rate (HR) were calculated from the ECG. To evaluate fasting gastric motility (occurring 3 cycles/min), an action potential was derived from electrodes placed on the abdomen. Thereafter, power and peak frequency was analyzed by a power spectral analysis method. According to total ME scores, calculated from 10 questions (1-5 points, respectively), students were divided into morning (≥ 28.5 [mean] points) or evening preference groups (< 28.5 points) and the parameters were compared between the groups.<br>Results: As compared to the morning preference group, the evening preference group showed 1) a significantly delayed wake-up time on both weekdays and weekends, 2) a significantly higher HR, and 3) a significantly higher frequency of gastric motility without any differences in gastric contraction power.<br>Conclusion: Female high school students with evening preference showed a high HR after awakening without a diminished gastric motility, possibly suggesting the occurrence of food anticipated activity induced by regular mealtime.
Journal
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- The Japanese Journal of Nutrition and Dietetics
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The Japanese Journal of Nutrition and Dietetics 74 (6), 157-164, 2016
The Japanese Society of Nutrition and Dietetics
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Keywords
Details 詳細情報について
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- CRID
- 1390001206549605888
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- NII Article ID
- 130005289690
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- NII Book ID
- AN00023058
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- ISSN
- 18837921
- 00215147
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- NDL BIB ID
- 027819048
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- Text Lang
- ja
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- Article Type
- journal article
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- Data Source
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- JaLC
- NDL Search
- Crossref
- CiNii Articles
- KAKEN
- OpenAIRE
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- Abstract License Flag
- Disallowed