tachistoscope

An apparatus that projects a series of images onto a screen at rapid speed to test visual perception, memory, and learning.

In experimental psychology, an apparatus which exposes to view, for a brief and accurately variable time, an object or small group of objects (letters, short words, etc.).

An apparatus for exposing briefly to view a screen bearing letters or figures. It is used in studying the range of attention, or the power of distinguishing separate objects in a single impression.

a device that displays a series of brief images; used by psychologists to investigate perception, memory and learning

scientific instrument used by psychologists; presents visual stimuli for brief exposures