Medical research

A closer look at the blood-brain barrier

(Medical Xpress)—Thousands of people today have various kinds of stimulators placed deep in their brains in the hope of curing their ills. Many others require systems of tubes, catheters, and shunts penetrating deep into ...

Neuroscience

Brain center for social choices discovered in a poker study

Although many areas of the human brain are devoted to social tasks like detecting another person nearby, a new study has found that one small region carries information only for decisions during social interactions. Specifically, ...

Neuroscience

Scans show learning 'sculpts' the brain's connections

Spontaneous brain activity formerly thought to be "white noise" measurably changes after a person learns a new task, researchers at Washington University School of Medicine in St. Louis and the University of Chieti, Italy, ...

Neuroscience

New MRI sensor can image activity deep within the brain

Calcium is a critical signaling molecule for most cells, and it is especially important in neurons. Imaging calcium in brain cells can reveal how neurons communicate with each other; however, current imaging techniques can ...

Alzheimer's disease & dementia

Study links aortic stiffness with lower cerebral blood flow

Greater aortic stiffness is related to lower cerebral blood flow, especially among individuals with increased genetic predisposition to Alzheimer's disease, according to research from Vanderbilt University Medical Center.

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