(Medical Xpress)—Between ages three and 10, children with autism spectrum disorder exhibit distinct brain chemical changes that differ from children with developmental delays and those with typical development, according ...
Aug 2, 2013
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To make decisions, we need to estimate the value of sensory stimuli and motor actions, their "goodness" and "badness." We can imagine that good and bad are two ends of a single continuum, or dimension, of value. This would ...
Aug 1, 2013
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Brain cells talk to each other in a variety of tones. Sometimes they speak loudly but other times struggle to be heard. For many years scientists have asked why and how brain cells change tones so frequently. Today National ...
Jul 25, 2013
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Recycling is not only good for the environment, it's good for the brain. A study using rat cells indicates that quickly clearing out defective proteins in the brain may prevent loss of brain cells.
Jul 21, 2013
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(Medical Xpress)—To survive in cold environments, mammals burn fat to produce heat. The breakdown of fat helps prevent obesity and related metabolic diseases, such as diabetes. Bruce Spiegelman and his colleagues at Harvard ...
Attention-deficit/hyperactivity disorder (ADHD) is characterized by abnormal behavioral traits such as inattention, impulsivity and hyperactivity. It is also associated with impaired processing of reward in the brain, meaning ...
Jun 28, 2013
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A synthetic compound is able to turn off "secondary" vacuum cleaners in the brain that take up serotonin, resulting in the "happy" chemical being more plentiful, scientists from the School of Medicine at The University of ...
Jun 21, 2013
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Scientists at the Salk Institute for Biological Studies have demonstrated that sensory regions in the brain develop in a fundamentally different way than previously thought, a finding that may yield new insights into visual ...
Jun 21, 2013
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Researchers have yet again been sent back to the drawing board in the development of the much-sought-after vaccination for smokers, which would hypothetically inhibit the action of nicotine and its pleasure-producing chemical ...
Jun 11, 2013
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(Medical Xpress)—Using positron emission tomography (PET) imaging of the brain, researchers have identified a sweet spot that operates in a disorderly way when simple sugars are introduced to people with insulin resistance, ...
Jun 11, 2013
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