Earlier quoted context omitted.
It's a tool. You get used to new tools. These days I can easily process "did something interesting appear" in the peripheral vision at the same time as continuing to type. But the most useful things don't happen while I write. Instead it's the small edits that immediately come up with "would you also like to change these other 3 things to make your change work?" Those happen in the natural breaks anyway, as I start s…
> in the peripheral vision this seems physiologically unlikely.
(Unless you meant it literally. No, I didn't mean actual peripheral vision. Just noticing things beyond what I type.)