The brain signals in anxiety also command visual centers to ... Positron emission tomography (PET) scans and functional magnetic resonance imaging (fMRI) look at the brain in action, to see ...

The study also introduces a promising diagnostic approach using PET scans to measure P2X7 receptor activity in the brain. By tracking a P2X7-specific tracer shortly after injury, researchers were able ...

It is normal to experience anxiety before and during an MRI scan. It is not easy to stay still for 45 minutes with loud and bizarre sounds blaring in your ears. To alleviate your fears and help ...

Scientists pinpointed the "worry center" of the brain for the first time in a discovery that could lead to new, more effective ways to treat anxiety and depression. Video courtesy of Sky News.

A study conducted at Turku PET Centre in Finland showed that changes in the functioning of opioid neurotransmitters in the brain may underlie anorexia.