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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


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.

medicine
Researchers Help Create 'Gold Standard' Method for Measuring an Early Sign of Alzheimer's
After six years of painstaking research, a UCLA-led team has validated the first standardized protocol for measuring one of the earliest signs of Alzheimer's disease -- the atrophy of the part of the brain known as the hippocampus.

medicine
UCLA Statistician Helps Resolve Dispute About How Gene Expression Is Controlled
The differences between different tissues, such as brain and muscle, and between healthy and unhealthy human cells are largely defined by changes in the abundance of proteins in the cells. Transcription -- the process that governs the flow of genetic information from DNA to RNA -- was long believed to play the dominant role in determining the quantity of proteins in a cell. But over the past decade, many studies have claimed that in animals, differences in the rate at which RNA is…

psychology
Sense of Smell May Reveal Weight Bias
Could our reaction to an image of an overweight or obese person affect how we perceive odor? A trio of researchers, including two from UCLA, says yes.

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