ELI5: Explain Like I'm 5

Evoked potential

So, you know how our body has five senses - seeing, hearing, touching, tasting, and smelling? When we use any of these senses, our brain gets a message and processes it to help us understand what is happening around us.

Now, sometimes doctors or researchers want to find out how our brain is processing these messages. And that's where something called "evoked potential" comes in.

Let's say the doctor wants to see how your brain is processing sound. They'll ask you to wear headphones and listen to different sounds, like beeps or clicks. Meanwhile, they'll put some sticky patches on your head to measure the electrical activity in your brain.

When the sound enters your ear, it creates an electrical signal that travels to your brain. The doctor can measure this signal using the patches on your head. They'll look at how long it takes for your brain to respond to the sound, and how strong the response is. This helps them understand how your brain is processing the sound, and if there are any problems with your hearing.

And that's basically what "evoked potential" is - measuring the electrical activity in your brain when it responds to a certain stimulus, like a sound or a touch or a sight. It helps doctors and researchers learn more about how our brain works and how we process information from the world around us.