Acetylcholine is a neurotransmitter. Neurotransmitters are chemical signals made by neurons to send information to associated receptors. These receptors receive or block signals and process them into ...

A team of researchers from Nanyang Technological University, Singapore (NTU Singapore) has uncovered new clues about how chemicals released by brain cells regulate our attention span. Findings from ...

Researchers have long thought that rewards like food or money encourage learning in the brain by causing the release of the “feel-good” hormone dopamine, known to reinforce storage of new information.

Cognitive decline associated with aging is caused by the loss of cholinergic nerve supply to the hippocampus of our brain. Since the hippocampus is the center of learning and memory, a reduction in ...

According to Mark Nestor, M.D., Ph.D., shared with MHE that injecting botulinum toxin in the glabella changes how the amygdala works and stops the brain from getting feedback from frowning, creating a ...

What goes on in a man’s head during sex? According to a new study from Japan, it all comes down to the precise timing of two brain chemicals: dopamine and acetylcholine. Their findings in male mice ...

Researchers have long thought that rewards like food or money encourage learning in the brain by causing the release of the "feel-good" hormone dopamine, known to reinforce storage of new information.