The locus coeruleus (LC) is a small region of the brainstem that produces norepinephrine, a chemical with powerful effects on arousal and wakefulness which plays an important role in the body's ...

Epinephrine and norepinephrine are hormones and neurotransmitters that help the body respond to stress or fear. Epinephrine increases heart rate and opens airways during emergencies. Norepinephrine ...

Previous work has demonstrated the importance of genetic factors and stress-sensitive circuits in the development of affective disorders. Anxiety and numerous psychological disorders are comorbid with ...

The neuromodulator norepinephrine has an unexpected, direct action on auditory processing of complex signals, specifically bird songs in the zebra finch, new research suggests. For neuroscientists ...

Glaucoma is an eye disease that causes progressive damage to the optic nerve, leading to vision loss. One major risk factor ...

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 ...

Glaucoma is an eye disease that causes progressive damage to the optic nerve, leading to loss of sight. One major risk factor ...

Study may help to illuminate mechanisms that underlie sex differences in allergic diseases, and could help inform future ...