Also referred to as chemical messengers, neurotransmitters are chemical agents made and released by neurons. They are stored in vesicles at the terminal end (presynaptic terminal) of a neuron. Their ...

Closely related dopamine-releasing neurons in the olfactory bulb behave in fundamentally different ways depending on their physical structure.

The brain chemicals behind your mood, sleep, and body functions Medically reviewed by Shaheen Lakhan, MD, PhD, FAAN Ever wonder what's going on in your brain when a certain mood strikes? You can thank ...