Example
Sound 1 → Sound 3 → Sound 1
Press on the third sound
Listen to each sound. Press F only when the current sound matches the sound from 2 steps earlier.
Press F only when the current sound matches the sound from 2 steps earlier.
Sound 1 → Sound 3 → Sound 1
2-back match detected
No match
Keyboard only on desktop. On mobile, tap the Match button.
Make sure your device volume is on.
Listen closely and hold two sounds in memory.
Strong working memory under auditory load.
Maintain this accuracy level under pressure to achieve operational readiness.
Focus interruptions: 0