 So mom said, hey, I think this might help. Brought him in. We did his map. Now the map is the beginning test. It's an EEG, electroencephalogram, which basically you put electrodes on the head to take readings from the brain. It's not invasive. It's not like you're being electrocuted. There's nothing going into the body. It's taking readings from the brain. And it establishes a baseline. And that way we can look and say, okay, well, here's what normal brain waves should be.