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Latest Michael R. Bruchas Stories

2013-04-12 13:30:19

Using a miniature electronic device implanted in the brain, scientists have tapped into the internal reward system of mice, prodding neurons to release dopamine, a chemical associated with pleasure. The researchers, at Washington University School of Medicine in St. Louis and the University of Illinois at Urbana-Champaign, developed tiny devices, containing light emitting diodes (LEDs) the size of individual neurons. The devices activate brain cells with light. The scientists report their...

2011-08-10 22:41:10

Researchers studying mice are getting closer to understanding how stress affects mood and motivation for drugs. According to the researchers, blocking the stress cascade in brain cells may help reduce the effects of stress, which can include anxiety, depression and the pursuit of addictive drugs. A research team from St. Louis and Seattle reports in the Aug. 11 issue of the journal Neuron that in mice exposed to stress, a protein called p38ÃŽ± mitogen-activated protein...


Word of the Day
blee
  • Color; hue; complexion.
This word is Middle English in origin.
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