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Author Lammerts, W.E.
Title The effect of continuous light, high nutrient level and temperature on flowering of camellia hybrids Type Journal Article
Year 1949 Publication (up) American Camellia Yearbook Abbreviated Journal
Volume Issue Pages 53-56
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Notes Approved no
Call Number GFZ @ kyba @ Serial 2466
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Author Bissonnette, T.H.
Title Studies on the sexual cycle in birds. I. Sexual maturity, its modification and possible control in the European starling (Sturnus vulgaris) Type Journal Article
Year 1930 Publication (up) American Journal of Anatomy Abbreviated Journal Am. J. Anat.
Volume 45 Issue 2 Pages 289-305
Keywords Animals
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ISSN 0002-9106 ISBN Medium
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Notes Approved no
Call Number GFZ @ kyba @ Serial 2402
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Author Adams, J.
Title Some Further Experiments On The Relation Of Light To Growth Type Journal Article
Year 1925 Publication (up) American Journal of Botany Abbreviated Journal American Journal of Botany
Volume 12 Issue 7 Pages 398-412
Keywords Plants
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ISSN 0002-9122 ISBN Medium
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Notes Approved no
Call Number GFZ @ kyba @ Serial 2393
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Author Hasler, B.P.
Title Commentary on Bedroom Light Exposure at Night and the Incidence of Depressive Symptoms: A Longitudinal Study of the HEIJOKYO Cohort (Obayashi et al) Type Journal Article
Year 2018 Publication (up) American Journal of Epidemiology Abbreviated Journal
Volume 187 Issue 3 Pages 435-438
Keywords Commentary; Human Health
Abstract In modern society, we are increasingly disconnected from natural light/dark cycles and beset by round-the-clock exposure to artificial light. Light has powerful effects on physical and mental health, in part via the circadian system, and thus the timing of light exposure dictates whether it is helpful or harmful. In their compelling paper, Obayashi and colleagues offer evidence that light at night can prospectively predict an elevated incidence of depressive symptoms in older adults. Strengths of the study include the longitudinal design and direct, objective assessment of light levels, as well as accounting for multiple plausible confounders during analyses. Follow-up studies should address the study's limitations, including reliance on a global self-report of sleep quality and a two-night assessment of light exposure that may not reliably represent typical light exposure. In addition, experimental studies including physiological circadian measures will be necessary to determine if the light effects on depression are mediated through the circadian system or are so-called “direct” effects of light. In any case, these exciting findings could inform novel new approaches to preventing depressive disorders in older adults.
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ISSN 0002-9262 ISBN Medium
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Notes Approved no
Call Number LoNNe @ kyba @ Serial 1716
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Author Obayashi, K.; Saeki, K.; Kurumatani, N.
Title Obayashi et al. Respond to “Light at Night Predicts Depression—What Next?” Type Journal Article
Year 2018 Publication (up) American Journal of Epidemiology Abbreviated Journal
Volume 187 Issue 3 Pages 439-440
Keywords Commentary; Human Health
Abstract Our research includes some strengths and limitations. The most important strength is objective measurement of light at night (LAN) intensity using a bedside light meter. Most previous studies evaluating the association between LAN and health outcomes have assessed indoor LAN levels using a self-reported questionnaire or outdoor LAN levels using satellite data; however, self-reported indoor LAN levels has not yet been validated with objective measurement and outdoor LAN levels are surrogates for an individual LAN exposure. The second strength of our study includes its longitudinal design using multivariable methods to adjust for confounders, which indicated LAN exposure may be a cause of the incidence of depressive symptoms. Indeed, the depressive score evaluated by questionnaires may be above or below the cut-off value over the short term; therefore, a long-term study considering such unstable outcomes should be conducted. In the current study, LAN exposure was measured for only two nights; thus, an amplitude of LAN intensity has been focused. However, multiple measurements over time in the future study would allow an analysis of fluctuations in LAN exposure, which might be important for circadian physiology.
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Publisher Place of Publication Editor
Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0002-9262 ISBN Medium
Area Expedition Conference
Notes Approved no
Call Number LoNNe @ kyba @ Serial 1717
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