id you ever wonder why, if someone asks you to name a bunch of red things, you can do it so quickly? It’s because by concentrating on the thought red, represented here by a neural node, you’re sending electrochemical activation through the network and down the branches to everything else in your brain that connects to it. Below, I’ve overlaid additional information that resides in a typical neural network that begins with fire truck—nodes for other things that are red, for other things that have a siren, and so forth.