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Hyperactivity in Brain May Explain Multiple Symptoms of Depression

Published: February 28, 2012.
Released by University of California - Los Angeles  

Most of us know what it means when it's said that someone is depressed. But commonly, true clinical depression brings with it a number of other symptoms. These can include anxiety, poor attention and concentration, memory issues, and sleep disturbances.


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More news from University of California - Los Angeles


medicine
UCLA Researchers Identify a Potentially Effective Treatment for Methamphetamine Addiction
A new study by UCLA researchers has found that Naltrexone, a drug used to treat alcoholism, may also be a promising treatment for addiction to methamphetamine. "The results were about as good as you could hope for," said Lara Ray, a UCLA associate professor of psychology, director of the UCLA Addictions Laboratory and lead author of the new study.

biology
Which Is Most Valuable: Gold, Cocaine Or Rhino Horn?
Many of the world's largest herbivores -- including several species of elephants, rhinoceroses, hippopotamuses and gorillas -- are in danger of becoming extinct. And if current trends continue, the loss of these animals would have drastic implications not only for the species themselves, but also for other animals and the environments and ecosystems in which they live, according to a new report by an international team of scientists.

physics
Photosynthesis Has Unique Isotopic Signature, UCLA Researchers Report
Photosynthesis leaves behind a unique calling card in the form of a chemical signature that is spelled out with stable oxygen isotopes, UCLA geochemists reported April 24 in the journal Science. The findings suggest that similar isotopic signatures could exist for many biological processes, including some that are difficult to observe with current tools.

biology
Why Do Animals Fight Members of Other Species?
Why do animals fight with members of other species? A nine-year study by UCLA biologists says the reason often has to do with "obtaining priority access to females" in the area.

nature
UCLA Demographer Produces Best Estimate Yet of Cambodia's Death Toll Under Pol Pot
The death toll in Cambodia under Khmer Rouge leader Pol Pot was most likely between 1.2 million and 2.8 million -- or between 13 percent and 30 percent of the country's population at the time -- according to a forthcoming article by a UCLA demographer.

medicine
UCLA Researchers Deliver Large Particles into Cells at High Speed
A new device developed by UCLA engineers and doctors eventually help scientists study the development of disease, enable them to capture improved images of the inside of cells and lead to other improvements in medical and biological research.

medicine
Stop Blaming the Moon, Says UCLA Scientist
"It must be a full moon" is a common refrain when things appear more hectic than usual. The moon is even blamed when things get crazy at hospital emergency rooms or birth wards. "Some nurses ascribe the apparent chaos to the moon, but dozens of studies show that the belief is unfounded," said Jean-Luc Margot, a UCLA professor of planetary astronomy.

psychology
85 College Students Tried to Draw the Apple Logo from Memory. 84 Failed.
"You can observe a lot just by watching." - Yogi Berra Could you draw the ubiquitous Apple computer logo from memory? Probably not, as it turns out.

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