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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 Scientists Use Ultrasound to Jump-start a Man's Brain After Coma
A 25-year-old man recovering from a coma has made remarkable progress following a treatment at UCLA to jump-start his brain using ultrasound. The technique uses sonic stimulation to excite the neurons in the thalamus, an egg-shaped structure that serves as the brain's central hub for processing information.

chemistry
UCLA Physicists Discover 'Apparent Departure from the Laws of Thermodynamics'
According to the basic laws of thermodynamics, if you leave a warm apple pie in a winter window eventually the pie would cool down to the same temperature as the surrounding air.

medicine
Diet And Exercise Can Reduce Protein Build-ups Linked to Alzheimer's, UCLA Study Shows
A study by researchers at UCLA's Semel Institute for Neuroscience and Human Behavior has found that a healthy diet, regular physical activity and a normal body mass index can reduce the incidence of protein build-ups that are associated with the onset of Alzheimer's disease.

nature
Preventing Mass Extinctions of Big Mammals Will Require Immediate Action
Preventing the extinction of gorillas, rhinoceroses, elephants, lions, tigers, wolves, bears and the world's other largest mammals will require bold political action and financial commitments from nations worldwide. In an article in the journal BioScience, 43 wildlife experts write that without immediate changes, many of the Earth's most iconic species will be lost.

space
UCLA Astronomers Make First Accurate Measurement of Oxygen in Distant Galaxy
UCLA astronomers have made the first accurate measurement of the abundance of oxygen in a distant galaxy. Oxygen, the third-most abundant chemical element in the universe, is created inside stars and released into interstellar gas when stars die. Quantifying the amount of oxygen is key to understanding how matter cycles in and out of galaxies.

biology
Three-drug Combinations Could Help Counter Antibiotic Resistance, UCLA Biologists Report
Each year, approximately 700,000 people die from drug-resistant bacterial infections. A study by UCLA life scientists could be a major step toward combating drug-resistant infections. The research, reported in the journal Royal Society Interface, found that combinations of three different antibiotics can often overcome bacteria's resistance to antibiotics, even when none of the three antibiotics on their own -- or even two of the three together -- is effective.

psychology
More Evidence That Male And Female Brains Are Wired Differently
While measuring brain activity with magnetic resonance imaging during blood pressure trials, UCLA researchers found that men and women had opposite responses in the right front of the insular cortex, a part of the brain integral to the experience of emotions, blood pressure control and self-awareness.

nature
Sierra Nevada Snowpack Not Likely to Recover from Drought Until 2019
Even with this winter's strong El NiƱo, the Sierra Nevada snowpack will likely take until 2019 to return to pre-drought levels, according to a new analysis led by UCLA hydrology researchers.

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