How do neurons communicate messages in the brain?

Neurons use tiny electrical signals and special messengers to talk to each other, just like friends passing notes in class.

Neurons are like smart message-passers in your brain, they send information from one place to another so you can think, move, and feel things. To do this, they communicate with their neighbors using a combination of electricity and tiny helpers called neurotransmitters.

How the Message Travels

When a neuron gets excited by something interesting, like your favorite toy, it sends an electrical signal down its body, all the way to the end. At the end, it releases little packages full of messengers, which are like tiny notes that float across the gap between neurons.

How the Message is Received

The next neuron gets these messengers and uses them to start its own electrical signal. It's like when a friend reads your note and then writes their own reply, passing the message along in a chain.

This whole process happens really fast, over and over again, helping you do everything from solving a puzzle to riding a bike!

Take the quiz →

Examples

  1. A neuron sends a message like a flashlight turning on and off, telling another neuron to do something.
  2. Neurons use tiny bubbles to pass messages across a gap in the brain.
  3. When you touch something hot, neurons quickly send signals to your brain so you can pull back.

Ask a question

See also

Discussion

Recent activity