Ophthalmology

Poor eyesight unfairly mistaken for brain decline

Millions of older people with poor vision are at risk of being misdiagnosed with mild cognitive impairments, according to a new study by the University of South Australia.

Ophthalmology

Allowing blind people to see again with a wireless implant

Being able to see without eyes sounds like a miracle, but in the not-too-distant future, a new brain chip could allow the blind and visually impaired to perceive images again. Ph.D. student Adedayo Omisakin worked on wireless ...

Medications

Explaining how Ritalin sharpens attention

Even half a century after a drug comes on the market, scientists can still learn new things about how it works. New research from University of Pittsburgh neuroscientists provides a rare look at how Ritalin affects activity ...

Neuroscience

How brains form visual maps

Maps have played an important role in scientific progress. Claudius Ptolemaeus transformed our understanding of the world with his map of Earth, and Tycho Brahe enhanced understanding of the universe with his map of the stars. ...

Vaccination

Transparency urged to raise COVID-19 vaccine uptake

Issues around vaccine acceptance must be addressed alongside equity of access and logistics if the goal of vaccinating 70% of the world's population against COVID-19 is to be met, says a report by global health policy experts.

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