About Reaction Time
Reaction Time tests how fast you can respond to a visual cue. The average human takes about 250ms. Are you above or below average?
How to Play
- Click the pad to start
- Wait for it to turn green (don't jump the gun!)
- Click as fast as you can when it turns green
- See your time in milliseconds
Tips & Strategy
- Hover your finger over the pad before it turns green
- Don't anticipate — wait for the actual color change
- Stay relaxed — tense muscles slow reaction
- Practice helps a tiny bit, but you mostly inherit your reaction time
Brain Benefits
Reaction time is a strong predictor of overall cognitive health. Tracking it over time can flag changes in attention or processing speed.