@Bleep , Great question. I look forward to reading the answers of others on this forum.
Any mental activity can make it less noticeable (it is always there in the background). I will do math (well, converting data to and from base64 in my head) if I can afford that level of concentration, otherwise I listen to music.
> Playing scrabble online at times
> Listening to classical music
> Creating my notecards and laminated bookmarks
> Looking over my extensive antique lace collection
> Playing chess with my son at times