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Photoreceptor engineering [PDF]
Frontiers in Molecular Biosciences, 2015 Sensory photoreceptors not only control diverse adaptive responses in Nature, but as light-regulated actuators they also provide the foundation for optogenetics, the non-invasive and spatiotemporally precise manipulation of cellular events by light.
Andreas Möglich, Möglich Andreas
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2015
Retina is a neurosensory tissue lining the back of the eye and is responsible for light detection and relaying the signal to the visual cortex in the brain. Mammalian retina consists of six major types of neurons (including photoreceptors; rods and cones) and one type of glial cells arranged in distinct layers. Photoreceptors are the most abundant cell
Linjing, Li +3 more
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Retina is a neurosensory tissue lining the back of the eye and is responsible for light detection and relaying the signal to the visual cortex in the brain. Mammalian retina consists of six major types of neurons (including photoreceptors; rods and cones) and one type of glial cells arranged in distinct layers. Photoreceptors are the most abundant cell
Linjing, Li +3 more
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Journal of Psychiatric Research, 1971
Publisher Summary This chapter describes the responses of photoreceptors. Visual pigments are contained in specialized nerve cells, the photoreceptors, that have the ability to transform light into an electrical signal. It is observed that light adaptation decreases sensitivity, while it increases temporal resolution.
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Publisher Summary This chapter describes the responses of photoreceptors. Visual pigments are contained in specialized nerve cells, the photoreceptors, that have the ability to transform light into an electrical signal. It is observed that light adaptation decreases sensitivity, while it increases temporal resolution.
openaire +2 more sources
Visual Neuroscience, 2007
With age many retinal neurons are lost. In humans the rod photoreceptor population in the perimacular region is subject to approximately 30% loss over life. Those that remain have been reported to suffer from extensive convolutions and localized swellings of their outer segments abnormally increasing their disc content and outer segment length ...
Alexander, Cunea, Glen, Jeffery
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With age many retinal neurons are lost. In humans the rod photoreceptor population in the perimacular region is subject to approximately 30% loss over life. Those that remain have been reported to suffer from extensive convolutions and localized swellings of their outer segments abnormally increasing their disc content and outer segment length ...
Alexander, Cunea, Glen, Jeffery
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Progress in Retinal and Eye Research, 2001
The basis of the duplex theory of vision is examined in view of the dazzling array of data on visual pigment sequences and the pigments they form, on the microspectrophotometry measurements of single photoreceptor cells, on the kinds of photoreceptor cascade enzymes, and on the electrophysiological properties of photoreceptors.
T, Ebrey, Y, Koutalos
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The basis of the duplex theory of vision is examined in view of the dazzling array of data on visual pigment sequences and the pigments they form, on the microspectrophotometry measurements of single photoreceptor cells, on the kinds of photoreceptor cascade enzymes, and on the electrophysiological properties of photoreceptors.
T, Ebrey, Y, Koutalos
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1961
Publisher Summary Photoreceptors are structures containing photosensitive pigments (chlorophyll and retinene) that upon light absorption initiate phototropisms, photosynthesis, and vision. The photoreceptors in plant cells are the chloroplast for photosynthesis; in animal cells they are the retinal rods and cones for vision.
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Publisher Summary Photoreceptors are structures containing photosensitive pigments (chlorophyll and retinene) that upon light absorption initiate phototropisms, photosynthesis, and vision. The photoreceptors in plant cells are the chloroplast for photosynthesis; in animal cells they are the retinal rods and cones for vision.
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The Role of the Photoreceptor Membrane in Photoreceptor Optics
1975Many up-to-date studies have shown that various eyes and their photoreceptors which appear quite different at first sight exhibit striking similarity in their fine structure, physiology and chemistry. These similarities made us think that many optical properties of photoreceptors known at present could be traced back to the optical properties of the ...
F. G. Gribakin, V. I. Govardovskii
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Transducer noise in a photoreceptor
Nature, 1979IN our attempts to unravel the workings of visual systems, we seek neural responses and interactions which can account for visual behaviour. A popular measure of visual performance is the threshold intensity at which a stimulus is detected with a given probability.
P G, Lillywhite, S B, Laughlin
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