| Records |
| Author |
Richardson, M.E.S.; Parkins, S.; Kaneza, I.; Dauphin, A.-C. |
| Title |
Jet Lag Recovery and Memory Functions Are Correlated with Direct Light Effects on Locomotion |
Type |
Journal Article |
| Year |
2020 |
Publication |
Journal of Biological Rhythms |
Abbreviated Journal |
J Biol Rhythms |
| Volume |
in press |
Issue |
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Pages |
748730420947589 |
| Keywords |
Animals; activity; behavior; entrainment; jet lag; light therapy; masking; memory |
| Abstract |
Jet lag is a circadian disruption that affects millions of people, resulting, among other things, in extreme sleepiness and memory loss. The hazardous implications of such effects are evident in situations in which focus and attention are required. Remarkably, there is a limited understanding of how jet lag recovery and associated memory loss vary year round under different photoperiods. Here we show, using different cycles representing winter, summer, and equinox in male mice, that jet lag recovery and memory vary significantly with photoperiod changes. We uncover a positive correlation of acute light effects on circadian-driven locomotion (known as negative masking) with photoentrainment speed and memory enhancement during jet lag. Specifically, we show that enhancing or reducing negative masking is correlated with better or worse memory performance, respectively. This study indicates that in addition to timed-light exposure for phase shifting, the negative masking response could also be biologically relevant when designing effective treatments of jet lag. |
| Address |
Department of Biological Sciences, Oakwood University, Huntsville, Alabama |
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| Language |
English |
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0748-7304 |
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| Notes |
PMID:32877295 |
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no |
| Call Number |
GFZ @ kyba @ |
Serial  |
3130 |
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| Author |
Zhao, F.; Ding, J.; Zhang, S.; Luan, G.; Song, L.; Peng, Z.; Du, Q.; Xie, Z. |
| Title |
Estimating Rural Electric Power Consumption Using NPP-VIIRS Night-Time Light, Toponym and POI Data in Ethnic Minority Areas of China |
Type |
Journal Article |
| Year |
2020 |
Publication |
Remote Sensing |
Abbreviated Journal |
Remote Sensing |
| Volume |
12 |
Issue |
17 |
Pages |
2836 |
| Keywords |
Remote Sensing |
| Abstract |
Aiming at the problem that the estimation of electric power consumption (EPC) by using night-time light (NTL) data is mostly concentrated in large areas, a method for estimating EPC in rural areas is proposed. Rural electric power consumption (REPC) is a key indicator of the national socio-economic development. Despite an improved quality of life in rural areas, there is still a big gap between electricity consumption between rural residents and urban residents in China. The experiment takes REPC as the research target, selects Dehong (DH) Dai Jingpo Autonomous Prefecture of Yunnan Province as an example, and uses the NTL data from the Visible Infrared Imaging Radiometer Suite (VIIRS) Day–Night Band (DNB) carried by the Suomi National Polar-orbiting Partnership (NPP) Satellite from 2012 to 2017, toponym and points-of-interest (POI) data as the main data source. By performing kernel density estimation to extract the urban center and rural area boundaries in the prefecture, and combining the county-level boundary data and electric power data, a linear regression model of the total rural NTL intensity and REPC is estimated. Finally, according to the model, the EPC in ethnic minority rural areas is estimated at a 1-km spatial resolution. The results show that the NPP-REPC model can simulate REPC within a small average error (17.8%). Additionally, there are distinct spatial differences of REPC in ethnic minority areas. |
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2072-4292 |
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no |
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GFZ @ kyba @ |
Serial |
3129 |
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| Author |
Strutt, R.J. |
| Title |
On a night sky of exceptional brightness, and on the distinction between the polar aurora and the night sky |
Type |
Journal Article |
| Year |
1931 |
Publication |
Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character |
Abbreviated Journal |
Proc. R. Soc. Lond. A |
| Volume |
131 |
Issue |
817 |
Pages |
376-381 |
| Keywords |
Night Sky Brightness; Airglow |
| Abstract |
For more than seven years past I have had in progress systematic photometric measurements on the brightness of the night sky as seen through certain colour filters. These filters are designed to isolate separate portions of the spectrum in the red, green, and blue. The green one isolates nearly as possible the light of the green auroral line due to oxygen, but the isolation is very imperfect, and, in fact, the continuous background of the spectrum often contributes more to the transmitted light does the auroral line. |
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0950-1207 |
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no |
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GFZ @ kyba @ |
Serial |
3128 |
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| Author |
Strutt, R.J. |
| Title |
Further observations on the spectrum of the night sky |
Type |
Journal Article |
| Year |
1923 |
Publication |
Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character |
Abbreviated Journal |
Proc. R. Soc. Lond. A |
| Volume |
103 |
Issue |
720 |
Pages |
45-52 |
| Keywords |
Night Sky Brightness; Airglow |
| Abstract |
During the past winter I have continued my studies on the spectrum of the night sky, and the connected subject of the auroral spectrum. The present paper reports the results obtained. The spectrographs used in this work are two of nearly identical construction. In designing them the paramount consideration was to obtain the greatest possible light gathering power, all other considerations being kept subordinate to this. It was accordingly decided to use the minimum number of optical pieces—one prism, one collimating lens, one camera lens, neither of the latter to be achromatic. |
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0950-1207 |
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no |
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GFZ @ kyba @ |
Serial |
3127 |
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| Author |
Rayleigh, L. |
| Title |
The Aurora Line in the Spectrum of the Night Sky |
Type |
Journal Article |
| Year |
1922 |
Publication |
Proceedings of the Royal Society of London. Series A |
Abbreviated Journal |
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| Volume |
100 |
Issue |
705 |
Pages |
367-378 |
| Keywords |
Night Sky Brightness; Airglow |
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Several observers have found that the green line of unknown origin seen in the Aurora Borealis can also be seen in the sky on ordinary nights, and in comparatively low latitudes. |
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no |
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GFZ @ kyba @ |
Serial |
3126 |
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