Neuroscience

Cooling may prevent trauma-induced epilepsy

(Medical Xpress)—In the weeks, months and years after a severe head injury, patients often experience epileptic seizures that are difficult to control. A new study in rats suggests that gently cooling the brain after injury ...

Neuroscience

Fragile X makes brain cells talk too much, research shows

The most common inherited form of mental retardation and autism, fragile X syndrome, turns some brain cells into chatterboxes, scientists at Washington University School of Medicine in St. Louis report.

Medical research

Chemical reaction keeps stroke-damaged brain from repairing itself

Nitric oxide, a gaseous molecule produced in the brain, can damage neurons. When the brain produces too much nitric oxide, it contributes to the severity and progression of stroke and neurodegenerative diseases such as Alzheimer's. ...

Alzheimer's disease & dementia

Exercise can slow onset of Alzheimer's memory loss, study reports

(Medical Xpress)—Keeping active can slow down the progression of memory loss in people with Alzheimer's disease, a study has shown. A team of researchers from The University of Nottingham has identified a stress hormone ...

Neuroscience

Pavlov's rats? Rodents trained to link rewards to visual cues

In experiments on rats outfitted with tiny goggles, scientists say they have learned that the brain's initial vision processing center not only relays visual stimuli, but also can "learn" time intervals and create specifically ...

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