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A research group under the leadership of Professor Markus Heilig has identified an enzyme whose production is turned off in nerve cells of the frontal lobe when alcohol dependence develops.

Researchers at Linköping University have discovered a biological mechanism that increases the strength with which fear memories are stored in the brain. The study identifies shared mechanisms behind anxiety and alcohol dependence.

A small group of nerve cells in the brain determines whether an individual continues to consume alcohol even when it has negative consequences. The scientists have identified a mechanism that may be a suitable target for treatment by medication.