tachistoskop

listen to the pronunciation of tachistoskop
ألمانية - الإنجليزية
tachistoscope
scientific instrument used by psychologists; presents visual stimuli for brief exposures
a device that displays a series of brief images; used by psychologists to investigate perception, memory and learning
An apparatus for exposing briefly to view a screen bearing letters or figures
{i} device for assessing visual perception (Psychology)
It is used in studying the range of attention, or the power of distinguishing separate objects in a single impression