Immunology

Scientists watch the brain's lining heal after a head injury

Following head injury, the protective lining that surrounds the brain may get a little help from its friends: immune cells that spring into action to assist with repairs. In a new study, scientists from the National Institutes ...

Alzheimer's disease & dementia

New way of defining Alzheimer's aims to find disease sooner

Government and other scientists are proposing a new way to define Alzheimer's disease—basing it on biological signs, such as brain changes, rather than memory loss and other symptoms of dementia that are used today.

Neuroscience

Brain imaging helps redefine intelligence

High-tech scans of the resting human brain can provide a new way to define and interpret the brain's actual mental capacity, new research suggests.

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