Attention Span Test
A Go/No-Go based assessment of focus and impulse control
How to Play
- 1 A sequence of letters will appear in the center of the screen.
- 2 Go Condition: When you see D or G, press the Spacebar (or tap the button) immediately.
- 3 No-Go Condition: When you see any other letter, do nothing and stay still.
- 4 Each letter stays for only 0.8s — stay sharp and react fast.
- 5 25 trials total. Consistency is the key to a high score.
Who is this for?
- People who want to measure their current "mental bandwidth"
- Anyone struggling with impulsive decision-making or distractions
- Users looking for a fast cognitive warm-up before deep work
Best moments to play
- Before starting a long, focus-heavy study or work session
- During the "afternoon slump" to reset your attention circuits
- When you feel reactive or easily triggered by notifications
Player tips
Hover Ready: Keep your finger hovering over the key to minimize physical lag.
Filter Mode: Mentally treat non-DG letters as background noise.
Rhythm Counts: Don’t panic after a mistake; stability beats raw speed.
Fun observations
"Average human focus is now ~8.2s; this test helps you push past that barrier."
"Not reacting is actually harder for the brain than reacting, consuming more glucose."
"A single false alarm often creates a "focus gap" for the next 2-3 trials."
Deep Dive into Attention Span
In today's information-overloaded world, understanding your attention span is more important than ever. Did you know that the average human can only maintain focused attention for about 8.2 seconds —even less than a goldfish?
Attention Span Throughout Life
| Age Group | Attention Span Insights |
|---|---|
| Teens & Young Adults | Often average as low as 8 seconds in high-distraction environments. |
| Children | Rule of thumb: 2–3 minutes per year of age. |
| Adults & Seniors | Selective attention can be sustained for extended periods when deeply engaged. |
Want more training?
Try Arrow Stroop for logic-based focus or Schulte Grid for scanning.