Yes. I've used this for public speaking. Also for parachuting, where I finally got a clean jump (back in solo static-line days) by working through in my mind al

Yes. I've used this for public speaking. Also for parachuting, where I finally got a clean jump (back in solo static-line days) by working through in my mind all of the distractions: stall alarm sounding, jump-master shouting instructions, clambering into the door (seated position in a Cessna), smell of exhaust fumes, slipstream.