Also https://en.wikipedia.org/wiki/A_Deepness_in_the_Sky https://en.wikipedia.org/wiki/A_Deepness_in_the_Sky > when a person began failing or slowing at a set

Also https://en.wikipedia.org/wiki/A_Deepness_in_the_Sky https://en.wikipedia.org/wiki/A_Deepness_in_the_Sky > when a person began failing or slowing at a set task ... they were able to reverse it Vernor Vinge anticipated this treatment and called it "focus".