Dopamine is a neurotransmitter — a chemical that transmits signals between specialized brain cells (neurons) at their connections (synapses). It is one of several major neurotransmitters in the ...

A new technology that uses clinical MRI machines to image metabolic activity in the brain could give researchers and ...

"It's not intuitive to think the most prevalent receptor for the major neurotransmitter in the brain is also present in the lens," senior investigator Peter Frederikse, PhD, from the University of ...