Dual N-Back

Compare current stimuli with N steps back.
Press V for Visual match, A for Audio match, Space to Pause.
N: 2
Trial: 0/20
Score: 0
Audio letter
—
Status: Ready
Tap buttons or use keyboard
2
Higher N = harder (more steps back).
2500 ms
Lower = faster (harder).
20
More trials = longer session.
22%
Higher = more true matches (easier).
Scoring: +2 correct press • −1 false press • −1 missed real match.
Stats
Visual — Hits: 0 • Miss: 0 • False: 0
Audio   — Hits: 0 • Miss: 0 • False: 0
Accuracy: Visual 0% • Audio 0%
Pro tip: Train 2–3 blocks/day. If your accuracy drops below ~60%, reduce N or increase speed (ms).