tachistoscope
/təˈkɪstəˌskoʊp/
noun
- A device that displays images or words for a very short, controlled amount of time, used in psychology experiments to study perception, memory, and reading speed.
- Early tachistoscopes used mechanical shutters, but modern ones are computer-based.
- The researcher used a tachistoscope to flash words on the screen for just a few milliseconds.
- In the lab, participants sat in front of a tachistoscope and reported what they saw.