Blue light filtered white light induces depression-like responses and temporary spatial learning deficits in rats

Q Meng, Y Lian, J Jiang, W Wang, X Hou, Y Pan… - Photochemical & …, 2018 - Springer
blue light (440–480 nm) of white light (3.0% transmittance of blue light, Fig. 1B). The dark
room … Based on the observed effects of blue light deprivation on rodents in this study, blue light

[HTML][HTML] Light affects mood and learning through distinct retina-brain pathways

DC Fernandez, PM Fogerson, LL Ospri, MB Thomsen… - Cell, 2018 - cell.com
… Here, we reveal that the direct effects of light on learning and mood utilize distinct ipRGC …
of light on learning, independently of the SCN's pacemaker function. Mood regulation by light, …

Visual-deficit following long-term continuous light exposure

MH Bennett, RF Dyer, JD Dunn - Experimental Neurology, 1973 - Elsevier
… and biochemical light dependent … iii learning ratc5 of a ligllt--dXli tliscriinination task for
control alltl coiltinuuus-ligllt ( Cl, j csl~setl animals. Intl~ctl. in one rel~0rt (3) this lack of deficit was …

Aberrant light directly impairs mood and learning through melanopsin-expressing neurons

TA LeGates, CM Altimus, H Wang, HK Lee, S Yang… - Nature, 2012 - nature.com
… Here, we provide a further model in which light directly influences mood leading to learning
deficits in the context of an intact circadian timing system and normal sleep distribution and …

Blue-enriched morning light as a countermeasure to light at the wrong time: effects on cognition, sleepiness, sleep, and circadian phase

M Münch, C Nowozin, J Regente, F Bes… - …, 2017 - karger.com
… smaller with the blue-enriched morning light. During the night, … light exposure than after
blue light exposure in the evening. Our results indicate that bright blue-enriched morning light

Effects of blue-and red-enriched light on attention and sleep in typically developing adolescents

P Studer, JM Brucker, C Haag, J Van Doren… - Physiology & …, 2019 - Elsevier
… In summary, at night, in adults, light with a high percentage of blue light was reported to … ,
a sleep disorder, learning disabilities, and attentional deficits. Participants were recruited from …

Effects of smartphone use with and without blue light at night in healthy adults: A randomized, double-blind, cross-over, placebo-controlled comparison

JY Heo, K Kim, M Fava, D Mischoulon… - Journal of psychiatric …, 2017 - Elsevier
… Smartphones deliver light to users through Light Emitting Diode (LED) displays. Blue light
is … This study investigated the immediate effects of smartphone blue light LED on humans at …

Learning deficit in BDNF mutant mice

S Linnarsson, A Björklund… - European Journal of …, 1997 - Wiley Online Library
… is required for normal spatial learning, mice carrying a deletion … or peripheral deficits also
contribute to the learning deficits in … suggest that BDNF expression may be linked to learning. …

Detection of behavioral alterations and learning deficits in mice lacking synaptophysin

U Schmitt, N Tanimoto, M Seeliger, F Schaeffel… - Neuroscience, 2009 - Elsevier
… We also detect impairments in learning and memory, most notably reduced object novelty
recognition and reduced spatial learning. These deficits are unlikely caused by impaired vision…

Blue light from light-emitting diodes elicits a dose-dependent suppression of melatonin in humans

KE West, MR Jablonski, B Warfield… - Journal of applied …, 2011 - journals.physiology.org
… Because blue light can induce damage to the eye when exposed to light within the range of
… of 14.19 μW/cm 2 for the blue LEDs, narrow bandwidth blue light appears to be stronger than …