Neuroscience

Scientists record powerful signal in the brain's white matter

The human brain is made up of two kinds of matter: the nerve cell bodies (gray matter), which process sensation, control voluntary movement, and enable speech, learning and cognition, and the axons (white matter), which connect ...

Alzheimer's disease & dementia

Brush your teeth—postpone Alzheimer's

Researchers have determined that gum disease (gingivitis) plays a decisive role in whether a person develops Alzheimer´s or not.

Ophthalmology

Autoimmune response drives vision loss in glaucoma

A research team from Massachusetts Eye and Ear and the Massachusetts Institute of Technology has shown that immune cells in the eye that developed in response to early exposure to bacteria are a key contributor to progressive ...

Diseases, Conditions, Syndromes

Study identifies how Epstein-Barr virus triggers multiple sclerosis

Scientists have long suspected—but failed to prove—a link between certain viral infections and the development of multiple sclerosis, a crippling autoimmune disease that affects nearly 1 million Americans. Now, a study ...

Neuroscience

Using light instead of electricity in cochlear implants

A team of researchers affiliated with multiple institutions in Germany has developed a cochlear implant that converts sound waves to light signals instead of electrical signals. In their paper published in the journal Science ...

Neuroscience

Scientists find fear, courage switches in brain

Researchers at the Stanford University School of Medicine have identified two adjacent clusters of nerve cells in the brains of mice whose activation levels upon sighting a visual threat spell the difference between a timid ...

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