Health

Too much sleep bad for brain, study says

Preliminary results from the world's largest sleep study have shown that people who sleep on average between seven to eight hours per night performed better cognitively than those who slept less – or more – than this ...

Alzheimer's disease & dementia

Detecting Alzheimer's disease before it's too late

The rate at which the protein beta-amyloid accumulates into the sticky plaques associated with Alzheimer's disease (AD) is already slowing by the time a patient would be considered to have preclinical AD, according to a longitudinal ...

Genetics

Small RNAs found to play important roles in memory formation

Scientists from the Florida campus of The Scripps Research Institute (TSRI) have found that a type of genetic material called "microRNA" plays surprisingly different roles in the formation of memory in animal models. In some ...

Health

Extreme sleep durations may affect brain health in later life

A new research study led by Brigham and Women's Hospital (BWH) published in The Journal of the American Geriatrics Society in May, shows an association between midlife and later life sleeping habits with memory; and links ...

Neuroscience

Breakthrough discerns normal memory loss from disease

(Medical Xpress)—Cornell researchers have developed a reliable method to distinguish memory declines associated with healthy aging from the more-serious memory disorders years before obvious symptoms emerge. The method ...

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