Medical research

How the brain paralyzes you while you sleep

We laugh when we see Homer Simpson falling asleep while driving, while in church, and even while operating the Springfield nuclear reactor. In reality though, narcolepsy, cataplexy and rapid eye movement (REM) sleep behavior ...

Medical research

New tool enhances view of muscles

Simon Fraser University associate professor James Wakeling is adding to the arsenal of increasingly sophisticated medical imaging tools with a new signal-processing method for viewing muscle activation details that have never ...

Neuroscience

Redrawing the brain's motor map

Neuroscientists at Emory have refined a map showing which parts of the brain are activated during head rotation, resolving a decades-old puzzle. Their findings may help in the study of movement disorders affecting the head ...

Neuroscience

Acting out dreams linked to development of dementia, study finds

The strongest predictor of whether a man is developing dementia with Lewy bodies—the second most common form of dementia in the elderly—is whether he acts out his dreams while sleeping, Mayo Clinic researchers have discovered. ...

Neuroscience

Study identifies how muscles are paralyzed during sleep

Two powerful brain chemical systems work together to paralyze skeletal muscles during rapid eye movement (REM) sleep, according to new research in the July 11 issue of The Journal of Neuroscience. The finding may help scientists ...

Pediatrics

Flat head syndrome usually not serious for infants

The number of infants who develop flat head syndrome—deformational plagiocephaly—has increased significantly since the start of the Back to Sleep campaign to combat Sudden Infant Death Syndrome (SIDS) in the 1990s.

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