Tachistoscope - Overview

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This website was originally created to provide more practical information regarding the LCD-based tachistoscope described in:

Sperdin HF, Repnow M, Herzog MH, Landis T (2013)
An LCD tachistoscope with submillisecond precision.
Behavior Research Methods. doi:10.3758/s13428-012-0311-0     (a copy can be requested here)

This tachistoscope is based on standard LCD monitors of the LED backlight type. The monitors are modified so as to allow for controlling the LED backlight from an external signal source. For a 2-channel tachistoscope, two such monitors are situated around a semi-permeable mirror so as to make both monitors appear at virtually the same position when viewed through the mirror.

The tricky part is to find a monitor which is suitable for the above-mentioned LED backlight modification. Whether a monitor is suitable cannot be told beforehand without opening the monitor, applying the modification, and thoroughly testing it. Since this is quite an effort, the outcome of such an undertaking, whether positive or negative, seems worth to be shared – hence this website ( →Tachistoscope Black-/Whitelist).

More information about what else is needed to build such a tachistoscope and how to operate it can be found in the →Tachistoscope Hardware Setup and →Tachistoscope Software section.

Other tachistoscopes

  1. Fischmeister et al. (2010). Multiple serial picture presentation with millisecond resolution using a three-way LC-shutter-tachistoscope. Journal of Neuroscience Methods, 187,235-242. doi:10.1016/j.jneumeth.2010.01.016
  2. Thurgood et al. (2010). Development of a light-emitting diode tachistoscope. The Review of Scientific Instruments, 81, 035117. doi:10.1063/1.3327837
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