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Saturday, October 31, 2015


Long-term aerobic exercise prevents age-related brain deterioration
October 30, 2015

age-related changes ftA study of the brains of mice shows that structural deterioration associated with old age can be prevented by long-term aerobic exercise starting in mid-life, according to the authors of an open-access paper in the journal PLOS Biology yesterday (October 29). Old age is the major risk factor for Alzheimer’s disease, like many other diseases, as … more…

A drug-delivery technique to bypass the blood-brain barrier
October 26, 2015

Could benefit a large population of patients with neurodegenerative disorders
Researchers at Massachusetts Eye and Ear/Harvard Medical School and Boston University have developed a new technique to deliver drugs across the blood-brain barrier and have successfully tested it in a Parkinson’s mouse model (a line of mice that has been genetically modified to express the symptoms and pathological features of Parkinson’s to various extents). Their findings, … more…
What happens in the brain when we learn
October 28, 2015

These are isolated cells in the visual cortex of a mouse (credit: Alfredo/Kirkwood (JHU)) 
Findings could enhance teaching methods and lead to treatments for cognitive problems
A Johns Hopkins University-led research team has proven a working theory that explains what happens in the brain when we learn, as described in the current issue of the journal Neuron. More than a century ago, Pavlov figured out that dogs fed after hearing a bell eventually began to salivate when they heard the bell ring. … more…

Sleep disruptions similar to jet lag linked to memory and learning problems
October 29, 2015

(credit: iStock)
Add good sleep habits to regular exercise and a healthy diet to maximize good memory, scientists advise
Chemical changes in brain cells caused by disturbances in the body’s day-night cycle may lead to the learning and memory loss associated with Alzheimer’s disease, according to a University of California, Irvine (UCI) study. People with Alzheimer’s often have problems with sleeping or may experience changes in their slumber schedule. Scientists do not completely understand … more…

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