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Increased Amyloid Marks Out Healthy People at Risk of Alzheimer's
New research shows that an amyloid burden in clinically normal older adults is associated with a family history of the disease, lower cognitive test scores, and reports of declines in daily cognitive function.
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Chilling Concussed Cells Shows Promise for Full Recovery
In the future, treating a concussion could be as simple as cooling the brain. That's according to research conducted by University of Wisconsin-Madison engineers, whose findings support the treatment approach at the cellular level.
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Team Discovers How Brain Tumors Impact Normally Supportive Cells
A new study has shown that gliomas alter astrocyte function, which normally prevents the brain from being flooded with excess excitatory chemicals. This could contribute to the seizures experienced by some brain cancer patients.
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Dopamine Study Explores New Mechanisms of Schizophrenia
A new study suggests that it is not only elevated levels of dopamine, but also poorer regulation of the neurotransmitter that can trigger symptoms in patients with schizophrenia.
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Drug-seeking Rats Ditch Opioids for Socializing After Brain Area Activation
A new study conducted in rats shows that animals ignore social contact in favor of highly addictive opioid drugs. Researchers went on to show that this drug-seeking behavior could be reversed by stimulating a region of the brain.
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Stress's Memory Modifications Make Planning Ahead Harder
Pairing brain scans with virtual-navigation tasks, researchers have found that people tend to make less efficient and effective plans when stressed.
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Largest Study to Date Asks How Many People Are Left-handed
From Leonardo da Vinci to Oprah Winfrey, and from Napoleon Bonaparte to Jimi Hendrix the talents of left-handers have been celebrated across the generations. However, the prevalence of people who favour their left hand over their right has always been a rough estimate – until now.
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The Countries Where Muscles Matter Less
A new study has found that in three countries, non-Western men were generally less hung up about their body image and pursuing a muscular physique than Western men.
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Understanding the Facial Expressions of Mice
Using machine vision, researchers have been able to reliably link five emotional states, and even the relative strength of these states, to the facial expressions of mice.
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