News tagged with retinal cells

Related topics: cells , retina

Pivotal discoveries in age-related macular degeneration

A team of researchers, led by University of Kentucky ophthalmologist Dr. Jayakrishna Ambati, has discovered a molecular mechanism implicated in geographic atrophy, the major cause of untreatable blindness ...

Medicine & Health / Medical research

created Feb 06, 2011 | popularity 4.8 / 5 (11) | comments 1 | with audio podcast

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

created Oct 06, 2010 | popularity 4.9 / 5 (12) | comments 0 | with audio podcast

Sharp-eyed robins can see magnetic fields

(PhysOrg.com) -- It has been known for decades that some birds are able to sense the Earth's magnetic field and set their direction as if following a compass heading, which is an extremely useful ability for ...

Biology / Plants & Animals

created Jul 09, 2010 | popularity 4.6 / 5 (43) | comments 15 | with audio podcast report

Stimulating sight: New retinal implant developed

(PhysOrg.com) -- Inspired by the success of cochlear implants that can restore hearing to some deaf people, researchers at MIT are working on a retinal implant that could one day help blind people regain a ...

Technology / Engineering

created Sep 23, 2009 | popularity 4.7 / 5 (21) | comments 2

Scientists program blood stem cells to become vision cells

University of Florida researchers were able to program bone marrow stem cells to repair damaged retinas in mice, suggesting a potential treatment for one of the most common causes of vision loss in older people.

Medicine & Health / Medical research

created Jul 31, 2009 | popularity 4.9 / 5 (14) | comments 7

Fish oil protects against diseases like Parkinson's, study

Dr. Nicolas Bazan, Director of the Neuroscience Center of Excellence, Boyd Professor, and Ernest C. and Yvette C. Villere Chair of Retinal Degenerative Diseases Research at LSU Health Sciences Center New Orleans, will present ...

Medicine & Health / Health

created Apr 19, 2009 | popularity 4.7 / 5 (7) | comments 0

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

created Apr 07, 2009 | popularity 5 / 5 (3) | comments 1

Researchers report progress using iPS cells to reverse blindness

Researchers have used cutting-edge stem cell technology to correct a genetic defect present in a rare blinding disorder, another step on a promising path that may one day lead to therapies to reverse blindness ...

Biology / Cell & Microbiology

created Jun 15, 2011 | popularity 5 / 5 (6) | comments 0 | with audio podcast

Historic first images of rod photoreceptors in the living human eye

Scientists today reported that the tiny light-sensing cells known as rods have been clearly and directly imaged in the living eye for the first time. Using adaptive optics (AO), the same technology astronomers ...

Physics / Optics & Photonics

created Jun 08, 2011 | popularity 5 / 5 (4) | comments 0 | with audio podcast

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

created Mar 09, 2011 | popularity 5 / 5 (4) | comments 0 | with audio podcast

Sharks are colour-blind: study

Sharks may be unable to distinguish between colours, according to a lab study published on Tuesday that could benefit swimmers, surfers and sharks themselves.

Biology / Plants & Animals

created Jan 18, 2011 | popularity 4 / 5 (2) | comments 2

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 ...

Biology / Cell & Microbiology

created Dec 07, 2010 | popularity not rated yet | comments 0 | with audio podcast

Zebrafish yield clues to how we process visual information

(PhysOrg.com) -- To a hungry fish on the prowl, the split-second neural processing required to see, track, and gobble up a darting flash of prey is a matter of survival.

Medicine & Health / Neuroscience

created Oct 30, 2010 | popularity 5 / 5 (2) | comments 0 | with audio podcast

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

created Oct 12, 2010 | popularity 4.8 / 5 (6) | comments 6 | with audio podcast

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

created Oct 05, 2010 | popularity 4.6 / 5 (10) | comments 2 | with audio podcast