Reaction & Reflex games and tools

Measure how quickly you respond after a visual signal changes. Practice five randomized trials and compare your median, no

Respond to one of four colored signals by choosing the matching labeled button, combining reaction speed and decision accu

Practice attention and impulse control by tapping only green GO signals and ignoring red STOP signals.

Measure your response to a short sound signal using your device speakers or headphones, with several repeated trials.