News tagged with optical light

Related topics: hubble space telescope




Tiny wireless injectable LED device shines light on mouse brain, generating reward

Using a miniature electronic device implanted in the brain, scientists have tapped into the internal reward system of mice, prodding neurons to release dopamine, a chemical associated with pleasure.

Neuroscience created Apr 11, 2013 | popularity 5 / 5 (5) | comments 3 | with audio podcast

New stem cell approach for blindness successful in mice (w/ video)

(Medical Xpress)—Blind mice can see again, after Oxford University researchers transplanted developing cells into their eyes and found they could re-form the entire light-sensitive layer of the retina. 

Ophthalmology created Jan 08, 2013 | popularity 5 / 5 (10) | comments 0 | with audio podcast

Optical Illusion experiment shows higher brain functions involved in pupil size control

(Medical Xpress) -- We all know that our pupils contract when our eyes are exposed to increases in the brightness of light. The reason is to both protect the delicate inner workings of our eyes and to help ...

Neuroscience created Jan 25, 2012 | popularity 4.8 / 5 (6) | comments 2 | with audio podcast report

Might lefties and righties benefit differently from a power nap?

People who like to nap say it helps them focus their minds post a little shut eye. Now, a study from Georgetown University Medical Center may have found evidence to support that notion.

Neuroscience created Oct 17, 2012 | popularity 4.4 / 5 (7) | comments 2 | with audio podcast

Novel microscopy method offers sharper view of brain's neural network

Shortly after the Hubble Space Telescope went into orbit in 1990 it was discovered that the craft had blurred vision. Fortunately, Space Shuttle astronauts were able to remedy the problem a few years later ...

Neuroscience created Aug 23, 2012 | popularity 5 / 5 (5) | comments 0 | with audio podcast

Imaging device quantifies change in port wine stains

(HealthDay)—A newly developed spatial frequency domain imaging (SFDI) device can be used to quantify biochemical compositional changes in port wine stain (PWS) lesions after laser therapy, according to ...

Surgery created Sep 10, 2012 | popularity 5 / 5 (1) | comments 0

Vision cells, not brain, to blame for colour blindness

The real culprits of colour blindness are vision cells rather than unusual wiring in the eye and brain, recent research has shown.

Ophthalmology created Sep 21, 2012 | popularity not rated yet | comments 0

The end of a dogma: Bipolar cells generate action potentials

To make information transmission to the brain reliable, the retina first has to "digitize" the image. Until now, it was widely believed that this step takes place in the retinal ganglion cells, the output ...

Medical research created Dec 19, 2012 | popularity 5 / 5 (3) | comments 0 | with audio podcast