I think FfA is a bigger part of our culture than we realize. I use it to describe the 12 hours between waking and adderall wearing off and most people track (a non-frivolous comparison).
I'd say it boosts ability to utilize cognition. For me it thins brain fog and clarifies what I can see on the other side.
With it, I can reason to the point where learning and understanding happens. For a period of time. Most days.