Male Sprague–Dawley rats (weight 250–350 g, Japan SLC, Shizuoka, Japan) were used. The animals were housed in a light-controlled room with a 12-h light/dark cycle and were allowed ad libitum access to ...

Methylphenidate (Ritalin) elevates norepinephrine levels in the brain to help focus attention and suppresses nerve signal transmissions in the sensory pathways to help block out extraneous stimuli.

This is a preview. Log in through your library . PNAS is the world's most-cited multidisciplinary scientific serial. It publishes high-impact research reports, commentaries, perspectives, reviews, ...

There are different types of antidepressants, based on how they work within the brain. Some are better for treating certain conditions and symptoms. But they all come with potential side effects.

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 ...

Medically reviewed by Kristie Reed, PharmD Key Takeaways Epinephrine and norepinephrine are hormones and neurotransmitters ...

A good night’s sleep does more than just help you feel rested, it might literally clear your mind, according to the results of newly reported research by scientists at the University of Rochester and ...

The abnormality in catecholamine metabolism has now been further explored by measurement of the catecholamine content of the adrenal glands and heart muscle of children dying with dysautonomia. The ...

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 ...