In 1921, Otto Loewi woke from a dream with the idea for an experiment that proved nerves communicate using chemicals, not just electricity. By showing that stimulating one frog’s heart released a ...

Increases (hyperglycemia) and decreases (hypoglycemia) in blood glucose concentration can be fatal and are efficiently prevented by the secretion of pancreatic islet hormones. The concerted output of ...

Traditional descriptions of the cortical cholinergic input system focused on the diffuse organization of cholinergic projections and the hypothesis that slowly changing levels of extracellular ...

A line of genetically modified mice that scientists call "Forrest Gump" because, like the movie character, they can run far but they aren't smart, is furthering the understanding of a key ...

Karolinska Institutet researchers identified dopamine-acetylcholine disruptions in the basal ganglia as key contributors to autism-related behavioral inflexibility. Using advanced techniques like ...

Two new reports this week show what can happen when neurotransmitters get out of whack, with ramifications for Alzheimer disease and Parkinson disease. First, a paper in the September 7 Neuron ...

Acetylcholine plays a vital role as a neurotransmitter that oversees cognitive tasks, memory, and the regulation of mood. With aging, our body’s generation of acetylcholine decreases, which could ...