News tagged with photoreceptors

Scientists solve mystery of the eye

(PhysOrg.com) -- Scientists have a good overall understanding of human vision: when light enters our eyes, it is focused by the lens and strikes the retina in the back of the eye. The light causes some of ...

Chemistry / Biochemistry

created Nov 17, 2011 | popularity 4.3 / 5 (64) | comments 14 | with audio podcast feature

Chickens 'one-up' humans in ability to see color

(PhysOrg.com) -- Researchers at Washington University School of Medicine in St. Louis have peered deep into the eye of the chicken and found a masterpiece of biological design.

Biology / Plants & Animals

created Feb 16, 2010 | popularity 4.7 / 5 (22) | comments 2 | with audio podcast

Aiming to cure deafness, Stanford scientists first to create functional inner-ear cells

Deep inside the ear, specialized cells called hair cells detect vibrations in the air and translate them into sound. Ten years ago, Stefan Heller, PhD, professor of otolaryngology at the Stanford University ...

Medicine & Health / Medical research

created May 13, 2010 | popularity 4.8 / 5 (13) | comments 0 | with audio podcast

An 'eye catching' vision discovery

Nearly all species have some ability to detect light. At least three types of cells in the retina allow us to see images or distinguish between night and day. Now, researchers at the Johns Hopkins School of ...

Medicine & Health / Neuroscience

created Jul 26, 2009 | popularity 4.4 / 5 (11) | comments 0

Dogs, maybe not, but old genes can learn new tricks

A popular view among evolutionary biologists that fundamental genes do not acquire new functions was challenged this week by a new study in the Proceedings of the National Academy of Sciences.

Biology / Evolution

created May 11, 2009 | popularity 5 / 5 (8) | comments 2

Evolutionary bestseller in image processing

The eye is not just a lens that takes pictures and converts them into electrical signals. As with all vertebrates, nerve cells in the human eye separate an image into different image channels once it has been ...

Medicine & Health / Neuroscience

created Nov 10, 2010 | popularity 5 / 5 (7) | comments 0 | with audio podcast

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

Scientists shed new light on how retina's hardware is used in color vision

Biologists at New York University and the University of Wurzburg have identified, in greater detail, how the retina's cellular hardware is used in color preference. The findings, published in the latest issue of the Proceedings of ...

Medicine & Health / Medical research

created Mar 08, 2010 | popularity 4.3 / 5 (6) | comments 0 | with audio podcast

Nanosized diamonds enable progress in retinal prostheses

Research groups in several countries are making progress in retinal prosthesis development. If they achieve their aims, patients who have gone blind, due to loss of their photoreceptors, could recover a better ...

Nanotechnology / Bio & Medicine

created Jun 17, 2011 | popularity 4.8 / 5 (5) | comments 0

Fruit fly larvae detect light via body's network of photoreceptors

(PhysOrg.com) -- New research in the U.S. has discovered that fruit fly larvae have a series of photoreceptors covering the body that can detect light even when their primitive "eyes" are covered or removed.

Biology / Plants & Animals

created Nov 12, 2010 | popularity 4.2 / 5 (5) | comments 0 | with audio podcast report

Researchers identify enzyme that makes survival molecule for key vision cells

Research lead by Dr. Nicolas Bazan, Boyd Professor and Director of the Neuroscience Center of Excellence at LSU Health Sciences Center New Orleans, identifying an enzyme that makes neuroprotectin D1 which specifically and ...

Chemistry / Biochemistry

created Jun 26, 2009 | popularity 4.5 / 5 (4) | comments 0

Fish can recognize a face based on UV pattern alone

Two species of damselfish may look identical -- not to mention drab -- to the human eye. But that's because, in comparison to the fish, all of us are essentially colorblind. A new study published online on ...

Biology / Plants & Animals

created Feb 25, 2010 | popularity 4.3 / 5 (3) | comments 0 | with audio podcast

Nocturnal alertness improves after exposure to milliseconds of bright light flashes

Exposure to extraordinarily brief, millisecond flashes of bright light improves alertness at night, according to a research abstract that will be presented Monday, June 7, 2010, in San Antonio, Texas, at SLEEP 2010, the 24th ...

Medicine & Health / Medical research

created Jun 07, 2010 | popularity 4.3 / 5 (3) | comments 1

Social scientist creates computer model to determine human perception of hues

Variations in how people perceive colors and how those same colors appear on TV, computers and other media have confounded broadcasters, Web designers and printers trying to reproduce lifelike hues.

Other Sciences / Social Sciences

created Jun 29, 2009 | popularity 5 / 5 (2) | comments 0

Valproic acid shown to halt vision loss in patients with retinitis pigmentosa

Researchers at the University of Massachusetts Medical School (UMMS) believe they may have found a new treatment for retinitis pigmentosa (RP), a severe neurodegenerative disease of the retina that ultimately results in blindness. ...

Medicine & Health / Medical research

created Jul 21, 2010 | popularity 5 / 5 (2) | comments 0

Photoreceptor

Photoreceptor can refer to:

In anatomy/cell biology:

In biochemistry:

In technology:

For more information about Photoreceptor, read the full article at Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.