Within the brain, chemical neurotransmitters like dopamine and norepinephrine regulate mood, emotions and many physiological and behavioral processes. Their imbalance can contribute to anxiety, ...

Researchers at the University of Pennsylvania School of Medicine have found that the neurotransmitter norepinephrine is essential in retrieving certain types of memories. This represents the first ...

Norepinephrine is a strong vasoconstrictor frequently used to treat severe hypotension by increasing systemic vascular resistance and blood pressure. Structurally, norepinephrine is quite similar to ...

Although millions depend on medications such as Ritalin to quell symptoms of attention deficit hyperactivity disorder (ADHD), scientists have struggled to pinpoint how the drugs work in the brain. But ...

Our most popular blog post last year was all about dopamine, the sexiest of the brain’s chemical signals involved in ADHD. Dopamine is sexy, and has even become a bit of an internet meme, because of ...

Norepinephrine (NE) and noradrenaline (NA) are two different terms used to describe the same thing. In the United Kingdom, "noradrenaline" is the British-approved name for this neurotransmitter and ...

Epinephrine and norepinephrine are naturally made in the body, where they're best known for activating the fight-or-flight response to stress. They both function as hormones and neurotransmitters; ...

ADHD is characterized by symptoms such as inattention, hyperactivity and impulsivity. Nuthawut Somsuk/iStock / Getty Images Plus via Getty Images “My brain has way ...