News tagged with ganglion cells
From eye to brain: Researchers map functional connections between retinal neurons at single-cell resolution
By comparing a clearly defined visual input with the electrical output of the retina, researchers at the Salk Institute for Biological Studies were able to trace for the first time the neuronal circuitry that ...
Medicine & Health / Medical research
Oct 06, 2010 |
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How the retina works: Like a multi-layered jigsaw puzzle of receptive fields
About 1.25 million neurons in the retina -- each of which views the world only through a small jagged window called a receptive field -- collectively form the seamless picture we rely on to navigate our environment. ...
Medicine & Health / Medical research
Apr 07, 2009 |
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New microscope decodes complex eye circuitry (w/ Video)
The sensory cells in the retina of the mammalian eye convert light stimuli into electrical signals and transmit them via downstream interneurons to the retinal ganglion cells which, in turn, forward them to ...
Medicine & Health / Medical research
Mar 09, 2011 |
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Hi-res detector used by researchers to map neural circuits of the retina
(PhysOrg.com) -- Using a sophisticated neural recording system developed by physicists at UC Santa Cruz, researchers were able to trace for the first time the neural circuitry that connects individual photoreceptors ...
Medicine & Health / Medical research
Oct 12, 2010 |
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The world is full of darkness, reflected in the physiology of the human retina, researchers say
Physicists and neuroscientists from the University of Pennsylvania have linked the cell structure of the retina to the light and dark contrasts of the natural world, demonstrating the likelihood that the neural ...
Medicine & Health / Medical research
Oct 05, 2010 |
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Mysteries of colour vision revealed as scientists map out eye's neural network
(PhysOrg.com) -- Scientists, using sophisticated recording equipment, have mapped the neural circuitry involved in processing colour vision in humans for the first time.
Medicine & Health / Medical research
Nov 05, 2010 |
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Caltech scientists create robot surrogate for blind persons in testing visual prostheses
Scientists at the California Institute of Technology (Caltech) have created a remote-controlled robot that is able to simulate the "visual" experience of a blind person who has been implanted with a visual ...
Technology / Computer Sciences
Oct 19, 2009 |
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How the eye builds circuits to detect motion
In a competitive scientific race, scientists from the Friedrich Miescher Institute for Biomedical Research (FMI) have been among the first to explain how the eye creates circuits to analyze motion. The detection ...
Medicine & Health / Neuroscience
Dec 20, 2010 |
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Blind mice can 'see' thanks to special retinal cells
It would make the perfect question for the popular television show "Are You Smarter than a 5th Grader:" What parts of the eye allow us to see?
Medicine & Health / Neuroscience
Jul 14, 2010 |
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Melanopsin looks on the bright side of life
Better known as the light sensor that sets the body's biological clock, melanopsin also plays an important role in vision: Via its messengers-so-called melanopsin-expressing retinal ganglion cells, or mRGCs-it ...
Dec 07, 2010 |
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Clustering gene expression changes reveals pathways toward glaucoma prevention
Using a method that involved the clustering of samples that showed similarity in expression profiles, Jackson Laboratory researchers were able to identify molecular signatures of early events in glaucoma progression -- events ...
Medicine & Health / Medical research
Mar 07, 2011 |
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A turning point for young neurons
During neural development, newborn neurons extend axons toward distant targets then form connections with other cells. This process depends on the growth cone, a dynamic structure at the growing axon tip of ...
Medicine & Health / Neuroscience
Aug 03, 2010 |
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Coaxing injured nerve fibers to regenerate by disabling 'brakes' in the system
Brain and spinal-cord injuries typically leave people with permanent impairment because the injured nerve fibers (axons) cannot regrow. A study from Children's Hospital Boston, published in the December 10 ...
Medicine & Health / Neuroscience
Dec 09, 2009 |
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Immune cells help heal eye injury in mice
A paper published online on January 10 in the Journal of Experimental Medicine reports that retinal ganglion cells—neurons in the eye—are rescued by immune cells that infiltrate the mouse retina after eye injury ...
Medicine & Health / Medical research
Jan 10, 2011 |
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Experts examine causes, treatment and prevention of glaucoma
Although scientists know progressive degeneration of retinal ganglion cells and their axons is the primary cause of glaucoma, researchers have yet to identify a way to stop or prevent the degeneration.
Medicine & Health / Diseases, Conditions, Syndromes
Mar 04, 2009 |
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