Results 91 to 100 of about 8,717 (203)
Dreamy Dwellings: How the Sleep Environment Affects Sleep Health in Adults—A Narrative Review
Lifestyle Medicine, Volume 6, Issue 4, October 2025.ABSTRACT Sufficient high‐quality, well‐timed sleep is essential to health and physical, cognitive and emotional functions. Historically, environmental factors such as threats from other beings have likely constrained sleep. Newer sources of sleep disruption include modern work schedules, climate change, light pollution and noise pollution.
Gregory David Maxwell Potter +5 more
wiley +1 more source
Functional Ecology, Volume 39, Issue 10, Page 2601-2610, October 2025.Abstract In the evolution of vision, changes in the number of visual opsin genes, gene conversion, amino acid sequence mutations, and gene expression levels are common molecular mechanisms in how teleost fishes adapt to different aquatic (light) environments.
Zuzana Musilova, Fabio Cortesi
wiley +1 more source
Journal of Experimental Neuroscience, 2013 Mammalian vision consists of the classic image-forming pathway involving rod and cone photoreceptors interacting through a neural network within the retina before sending signals to the brain, and a non image-forming pathway that uses a photosensitive ...
Anna Matynia
doaj +1 more source
Multiphoton response of retinal rod photoreceptors
Electronic Journal of Differential Equations, 2007 Phototransduction is the process by which light is converted into an electrical response in retinal photoreceptors. Rod photoreceptors contain a stack of (about 1000) disc membranes packed with photopigment rhodopsin molecules, which absorb the photons ...
Vasilios Alexiades, Harihar Khanal
doaj
Measurement of Photon Statistics with Live Photoreceptor Cells
, 2013 We analyzed the electrophysiological response of an isolated rod photoreceptor of Xenopus laevis under stimulation by coherent and pseudo-thermal light sources. Using the suction electrode technique for single cell recordings and a fiber optics setup for
C. Michael Jones +9 more
core +1 more source
Dysflective cones: Visual function and cone reflectivity in long-term follow-up of acute bilateral foveolitis. [PDF]
, 2017 PURPOSE:Confocal adaptive optics scanning laser ophthalmoscope (AOSLO) images provide a sensitive measure of cone structure. However, the relationship between structural findings of diminished cone reflectivity and visual function is unclear.
Cunningham, Emmett T +9 more
core +1 more source
Detectability of red-edge-shifted vegetation on terrestrial planets orbiting M stars [PDF]
, 2006 We have explored the detectability of exovegetation on the surface of a terrestrial planet orbiting an M star. The exovegetation is responsible for producing a pigment-derived surface signature that is redshifted with respect to the Earth vegetation's ...
Rashby, Sky +2 more
core +2 more sources
Invisible light inside the natural blind spot alters brightness at a remote location
Scientific Reports, 2018 The natural blind spot in the visual field has been known as a large oval region that cannot receive any optical input because it corresponds to the retinal optic disk containing no rod/cone-photoreceptors. Recently, stimulation inside the blind spot was
Marina Saito +3 more
doaj +1 more source
Impaired Circadian Photoentrainment in Opn5-Null Mice
iScience, 2018 Summary: The master circadian pacemaker in mammals resides in the hypothalamic suprachiasmatic nuclei (SCN) and is synchronized to ambient light/dark cycles (i.e., photoentrainment). Melanopsin (Opn4) and classical rod-cone photoreceptors are believed to
Wataru Ota +3 more
doaj +1 more source
Photoreceptor System for Melatonin Regulation and Phototherapy [PDF]
, 2010 The present invention involves a light system for stimulating or regulating neuroendocrine, circadian, and photoneural systems in mammals based upon the discovery of peak sensitivity ranging from 425-505 nm; a light meter system for quantifying light ...
Brainard, George, Glickman, Gena
core +1 more source