The Different Types of Brain Fog (Part 2) Brain fog isn’t one symptom, it’s a collection of different experiences that all point to something deeper.�For some, it shows up as confusion.�For others, it’s knowing exactly what you want to say but not being able to get the words out.�Or it might be feeling disconnected, like you're present but not fully here. We use one name, “brain fog,” but that oversimplifies the very real and very different ways people experience it. And when we oversimplify, we