Category

Reflex & Speed

Reaction time and interference-control tasks — including the Stroop test, a staple of cognitive psychology since 1935.

Reaction speed and the ability to suppress a prepotent (automatic) response are core dimensions of executive function. The Stroop test in particular has been used in research for nearly a century and is a genuine, if narrow, measure of cognitive control.

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Games in this category

Stroop Test

Name the ink color of words that spell a conflicting color. A century-old measure of cognitive control.

Intermediate Play →

Reaction Time

Tap as soon as the screen turns green. Measures raw visual-motor reaction speed in milliseconds.

Beginner Play →

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Articles in this category

Do Brain Games Actually Work? What the Research Really Says

A practical, research-aware guide. Read time ~6-9 minutes.

The Stroop Test: What It Measures and How to Read Your Score

A practical, research-aware guide. Read time ~6-9 minutes.

How Much Brain Training Per Day Is Actually Useful?

A practical, research-aware guide. Read time ~6-9 minutes.