CogBench
A small collection of browser-based cognitive games and attention tests. Pick one to begin. These are educational instruments, not medical or diagnostic devices.
Working memory
Neon Color 2-Back
Track a stream of colors and flag each one that matches the color two steps back. Measures working-memory updating and sustained focus.
Start →Sustained attention · Go/No-Go
Reaction-Time Variability
Respond to every letter except X. Decomposes your reaction times into speed, consistency, and the lapse tail (ex-Gaussian τ) used in attention research.
Start →