Dual-Stream Reaction Test
Respond separately to a sound and an arrow arriving close together.
Complete 12 pairs: 24 independent responses. Low/high sound and up/down arrows are balanced.
READY?
Hear a low or high tone: press A or S. See an up or down arrow: press J or K. You must answer both independently; their order varies. The four buttons also support touch. Try both sample tones before starting. Audio is required, with no visual answer fallback.
HOW TO PLAY
Hear a low or high tone: press A or S. See an up or down arrow: press J or K. You must answer both independently; their order varies. The four buttons also support touch. Try both sample tones before starting. Audio is required, with no visual answer fallback.
Standard rankings compare accuracy first, then response time. Endless rankings compare your streak.
Scores include decision and movement time. Compare using the same device and input. Sound/output latency also affects dual-task results.
A game score describes this challenge on your device. Compare sessions with the same setup.