I'm surprised to see no reference in the paper to Bereitschaftspotential or Libet's famous (and criticized) experiments - at least to give some context on how

I'm surprised to see no reference in the paper to Bereitschaftspotential or Libet's famous (and criticized) experiments - at least to give some context on how the findings here relate or differ. https://en.wikipedia.org/wiki/Benjamin_Libet https://en.wikipedia.org/wiki/Benjamin_Libet