Disclaimer. This activity is not an assessment of attention conditions and does not diagnose anything. Full disclaimer
Sustained Attention
Press only for the right symbol. Hold back for everything else.
Start testAbout 1 minute · demo and practice first
About this challenge
How well you respond to a target symbol and ignore others, reported as balanced accuracy, plus your median response time on correct targets.
DurationAbout 1 minute
Format24 symbol trials, half are targets
Device and setupKeyboard (Space) or one touch target.
Accessibility limitsRequires seeing small shapes and an internal line, and responding within 1.2 seconds.
Free resultBalanced accuracy and median correct response time
PrivacyYour answers are never sent to advertisers. Signed in, your results are saved to your account.