tachistoscopic

But to Grosvenor, who had been trained by advanced tachistoscopic techniques, the after-image remained as vivid in his mind as if he had had a leisurely look.

The Voyage of the Space Beagle Van Vogt, A. E. 1950

"We used the tachistoscopic films about three hours a day, but they constituted some forty-five per cent of the training.

The Voyage of the Space Beagle Van Vogt, A. E. 1950

But it increasingly demanded ever-stranger sensing machines to advance its scientific cause: primitive electrodes; pneumatic tubes and mechanical harnesses that could be attached to the limbs, arms, wings, feet, and legs of unfortunate humans and animals, such as Marey’s air pantographe, which was used to study live birds in flight; recording devices like pneumographs, which graphically represented throat movements produced during vocalization; or tachistoscopic apparatuses that measured how visual sensory impressions could affect consciousness within specified time intervals.

The Two-Century Quest to Quantify Our Senses The MIT Press Reader 2023