A test subject has his oxygen consumption measured while using Walter R. Miles’ Pursuitmeter, as pictured in the inventor’s 1921 article for the Journal of Experimental Psychology
Featured on PDR in the essay Cybernetic Attention: All Watched over by Machines We Learned to Watch
Before the attention economy consumed our lives, “pursuit tests” devised by the US military coupled man to machine with the aim of assessing focus under pressure. D. Graham Burnett explores these devices for evaluating aviators, finding a pre-history of the laboratory research that has relentlessly worked to slice and dice the attentional powers of human beings.












