Neuroscience

Video: Human brain scan

This colorful brain scan is a 3-D model created by tractography, which uses data collected with diffusion weighted MRI to map the brain's white matter. Each line represents a bundle of nerve fibers wrapped in a myelin sheaths, ...

Neuroscience

Thicker nerve fibers enable faster reactions in mice

In order for organisms to react swiftly to stimuli in their environment, they need rapid and precise transmission of nerve impulses along neural extensions known as axons. Whereas some invertebrates have developed very thick ...

Diseases, Conditions, Syndromes

Not all multiple-sclerosis-like diseases are alike

An antibody appears to make a big difference between multiple sclerosis and other disorders affecting the protective myelin sheath around nerve fibers, report Tohoku University scientists and colleagues in the journal Brain. ...

Medical research

New therapeutic options for multiple sclerosis in sight

Multiple sclerosis (MS) is known as "the disease with a thousand faces" because symptoms and progression can vary dramatically from patient to patient. But every MS patient has one thing in common: Cells of their body's own ...

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