Medical research

A microRNA plays role in major depression

A tiny RNA appears to play a role in producing major depression, the mental disorder that affects as many as 250 million people a year worldwide.

Neuroscience

No dream: Electric brain stimulation during sleep can boost memory

When you sleep, your brain is busy storing and consolidating things you learned that day, stuff you'll need in your memory toolkit tomorrow, next week, or next year. For many people, especially those with neurological conditions, ...

Psychology & Psychiatry

Common antidepressant sertraline may change brain structures

A commonly prescribed antidepressant may alter brain structures in depressed and non-depressed individuals in very different ways, according to new research at Wake Forest Baptist Medical Center.

Psychology & Psychiatry

Patients with recurrent depression have smaller hippocampi

The brains of people with recurrent depression have a significantly smaller hippocampus - the part of the brain most associated with forming new memories - than healthy individuals, a new global study of nearly 9,000 people ...

Psychology & Psychiatry

Don't worry, be happy: Just go to bed earlier

When you go to bed, and how long you sleep at a time, might actually make it difficult for you to stop worrying. So say Jacob Nota and Meredith Coles of Binghamton University in the US, who found that people who sleep for ...

Neuroscience

Stress-related inflammation may increase risk for depression

Preexisting differences in the sensitivity of a key part of each individual's immune system to stress confer a greater risk of developing stress-related depression or anxiety, according to a study conducted at the Icahn School ...

Psychology & Psychiatry

Why does the placebo response work in treating depression?

(Medical Xpress)—In the past three decades, the power of placebos has gone through the roof in treating major depressive disorder. In clinical trials for treating depression over that period of time, researchers have reported ...

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