Neuroscience

Learning and unlearning to fear: The two faces of noradrenaline

Emotional learning can create strong memories and powerful emotional responses, but flexible behavior demands that these responses be inhibited when they are no longer appropriate. Scientists at the RIKEN Brain Science Institute ...

Neuroscience

Control of fear in the brain decoded

When healthy people are faced with threatening situations, they react with a suitable behavioural response and do not descend into a state of either panic or indifference, as is the case, for example, with patients who suffer ...

Medical research

Brain parasite directly alters brain chemistry

A research group from the University of Leeds has shown that infection by the brain parasite Toxoplasma gondii, found in 10-20 per cent of the UK's population, directly affects the production of dopamine, a key chemical messenger ...

Psychology & Psychiatry

'Switching off' specific brain cells protects against stress

It is well known that long-term exposure to stress can lead to serious psychiatric problems. However, the precise mechanisms underpinning the stress response have remained elusive. Recent advances in microscopic imaging by ...

Health

New hope for chronic pain sufferers

A new study by a University of Reading researcher has found that painful areas on our body can be controlled through the power of positive thinking.

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