Medical research

How micro-circuits in the brain regulate fear

The brain mechanisms underlying the suppression of fear responses have attracted a lot of attention as they are relevant for therapy of human anxiety disorders. Despite our broad understanding of the different brain regions ...

Medical research

Brain state behind social interaction uncovered

The brain's emotion-processing center—the amygdala—is one of several brain regions involved in social behavior. But the exact role that this almond-shaped structure plays in the so-called 'social brain' remains mysterious. ...

Neuroscience

Compounds block stress-enhanced nicotine intake in rats

Stress is a major cause of relapse after people quit smoking. Worrying situations, such as money or relationship problems, can affect neurotransmitter levels in the brain, leading former smokers to reach for a cigarette. ...

Neuroscience

How does the brain process fear?

When a frightful creature startles you, your brain may activate its fear-processing circuitry, sending your heart racing to help you escape the threat. It's also the job of the brain's fear-processing circuits to help you ...

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