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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

A Way to Predict Whether Children with DiGeorge Syndrome Will Develop Autism Or Psychosis
Doctors and researchers have long known that children who are missing about 60 genes on a certain chromosome are at a significantly elevated risk for developing either a disorder on the autism spectrum or psychosis -- that is, any mental disorder characterized by delusions and hallucinations, including schizophrenia. But there has been no way to predict which child with the abnormality might be at risk for which disorder.

Oceans Slowed Global Temperature Rise, Scientists Report
A new study of ocean temperature measurements shows that in recent years, extra heat from greenhouse gases has been trapped in the subsurface waters of the Pacific and Indian oceans, thus accounting for the slowdown in the global surface temperature increase observed during the past decade, researchers say.

Scientists' Discovery of Zebra Stripes in Space Resolves a Half-century Mystery
In the 1960s, NASA launched six satellites to study the Earth's atmosphere, magnetosphere and the space between Earth and the moon. Using observations from those satellites, Christopher Russell, a UCLA graduate student at the time, detected mysterious plasma waves in the Van Allen radiation belts, the donut-shaped rings surrounding the Earth that contain high-energy particles trapped by the planet's magnetic field.

Rare Genetic Mutations Occur More Often in Schizophrenia Patients, UCLA Researchers Find
A new study by UCLA scientists adds to the understanding of the genetic architecture of schizophrenia. Past research has shown the impact of commonly occurring genetic variants on a person's risk of developing schizophrenia. This new study focused instead on rare coding mutations that affect protein function. It found that patients with schizophrenia have a higher-than-normal share of these mutations.

New Method of Quantum Entanglement Packs Vastly More Data in a Photon
A team of researchers led by UCLA electrical engineers has demonstrated a new way to harness light particles, or photons, that are connected to each other and act in unison no matter how far apart they are -- a phenomenon known as quantum entanglement. In previous studies, photons have typically been entangled by one dimension of their quantum properties -- usually the direction of their polarization.

UCLA Studies Identify Predictors of Depression And PTSD among African-Americans, Latinos
Chronic disease and mental health issues disproportionately affect low-income African-Americans, Latinos and Hispanics, according to the Centers for Disease Control and Prevention. Two new studies by the UCLA Center for Culture, Trauma and Mental Health Disparities shed light on the causes and impacts of this disparity.

Long-acting Antipsychotic Medication May Improve Treatment for Schizophrenia
Schizophrenia, which affects 2 million to 3 million people in the U.S., causes hallucinations, delusions and disorganization. Left untreated, the disease can cause a significant loss in quality of life, including unemployment and estrangement from loved ones. But many people with schizophrenia can control the disorder and live without symptoms for several years if they consistently take prescribed antipsychotic medication, typically a daily pill.

Brain Scan Can Predict Who Responds Best to Certain Treatment for OCD
Tens of millions of Americans -- an estimated 1 to 2 percent of the population -- will suffer at some point in their lifetimes from obsessive-compulsive disorder, a disorder characterized by recurrent, intrusive, and disturbing thoughts (obsessions), and/or stereotyped recurrent behaviors (compulsions). Left untreated, OCD can be profoundly distressing to the patient and can adversely affect their ability to succeed in school, hold a job or function in society.

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