Uploaded February 2024 | Updated September 2026, 1 week ago

---

Serotonin is an important neurotransmitter in the brain. This chemical messenger does most of its work in the spaces between neurons, or synapses, ensuring information makes its way to a neighboring cell. See how serotonin operates and develops from young amino acids in neurons to full-fledged neurotransmitters that are released and recycled into a synapse over and over again.

This is a video from the 2023 Brain Awareness Video Contest.

Created by Maya Solis.