Ophthalmology

Shedding light on how the human eye perceives brightness

Japanese scientists are shedding new light on the importance of light-sensing cells in the retina that process visual information. The researchers isolated the functions of melanopsin cells and demonstrated their crucial ...

Diseases, Conditions, Syndromes

Light therapy may bring new hope for migraine sufferers

Migraines often involve heightened sensitivity to light. In a project funded by the Austrian Science Fund FWF, a team of researchers from the Medical University of Vienna is investigating new therapies to treat light sensitivity, ...

Neuroscience

Study reveals cortical circuits that encode black and white

While some things may be 'as simple as black and white,' this has not been the case for the circuits in the brain that make it possible for you to distinguish black from white. The patterns of light and dark that fall on ...

Neuroscience

A light switch inside the brain

Activating and deactivating individual nerve cells in the brain is something many neuroscientists wish they could do, as it would help them to better understand how the brain works.

Medical research

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 neurons of the retina. ...

Neuroscience

Hear to see: New method for the treatment of visual field defects

Patients who are blind in one side of their visual field benefit from presentation of sounds on the affected side. After passively hearing sounds for an hour, their visual detection of light stimuli in the blind half of their ...

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