Addiction

Protein links alcohol abuse and changes in brain's reward center

When given access to alcohol, over time mice develop a pattern similar to what we would call "problem drinking" in people, but the brain mechanisms that drive this shift have been unclear. Now a team of UC San Francisco researchers ...

Neuroscience

Study suggests serotonin may worsen tinnitus

Millions of people suffer from the constant sensation of ringing or buzzing in the ears known as tinnitus, creating constant irritation for some and severe anxiety for others. Research by scientists at OHSU shows why a common ...

Psychology & Psychiatry

Low-dose diazepam can increase social competitiveness

Psychologists speak of anxiety in two forms: "state" anxiety, which refers to anxiety arising from a particular situation; and "trait" anxiety, which refers to anxiety as part of a person's overall personality. Studies have ...

Neuroscience

New study identifies gene that could play key role in depression

Globally, depression affects more than 300 million people annually. Nearly 800,000 die from suicide every year—it is the second-leading cause of death among people between the ages of 15 to 29. Beyond that, depression destroys ...

Medical research

Cells in the retina light the way to treating jet lag

Researchers have found a new group of cells in the retina that directly affect the biological clock by sending signals to a region of the brain which regulates our daily (circadian) rhythms. This new understanding of how ...

Neuroscience

Transcriptional control of sound discrimination

Filippo Rijli and his team at the Friedrich Miescher Institute for Biomedical Research have identified two genes that control sound discrimination in the brain. The Hox2 transcription factors act in the mouse brain stem and ...

Medical research

How the liver dances to a day/night rhythm

Following the day-night cycle, the liver has its own metabolic rhythm. Using cutting-edge proteomics, scientists at EPFL and the Nestlé Institute of Health Sciences have now identified over 500 liver proteins that change ...

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