This system was developed to measure reaction time. It was designed as a replacement for an older system that was made with discrete electronics and a tested based computer interface. Most of the electronics were replaced with simple microswitches and relays while the timing and control are handled by a digital input output card and computer. The software is written in National Instruments Labview and can be easily modified for future changes in experimental protocol.
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The front panel is designed with four response buttons and a home bar. Buttons and bar are lit with 3-color LEDs that can be mixed to create a wide range of colors. The panel and buttons are fabricated from acrylic and can be easily removed from the electronics for easy cleaning. |
| The subject places a finger on the home bar and after a preset time, one of the response button lights and timing starts. |  |
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The researcher is able to control and set all aspects of the experiment from an easy to use interface. All timing data is displayed on screen and recorded in a database for later analysis. |
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