Neuroscience

Mapping a life's worth of changes in a mysterious brain structure

Until recently, scientists didn't know much about perivascular spaces (PVS), fluid-filled regions in the brain involved in clearing waste and toxins—mainly because it's tough to get a clear look at them using neuroimaging. ...

Medical research

NIH launches $500 million contest to produce best COVID-19 test

(HealthDay)—A competition between researchers is part of a $1.5 billion program that seeks to speed development of accurate, quick, and easy-to-use COVID-19 tests, the U.S. National Institutes of Health (NIH) announced ...

Neuroscience

Neural-digital interface advances raise ethical and social issues

Human-machine interfaces raise important ethical and social issues. These technological innovations have the potential to restore, alter, or enhance cognitive or physical function in humans, but also may exacerbate existing ...

Neuroscience

Discovery of a novel way synapses can regulate neuronal circuits

The fundamental process of information transfer from neuron to neuron occurs through a relay of electrical and chemical signaling at the synapse, the junction between neurons. Electrical signals, called action potentials, ...

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