Dual N-Back Improve your working memory and fluid intelligence. N-Level - 2 + Accuracy 100% Trial 0 / 20 Position (A) Sound (L) Start Reset Settings Game Mode Sound + Position Symbol + Position Symbol Type Letters (C, H, K...) Special Chars (@, #, $...) Trial Time Mode Static Dynamic Static Time (ms) - + Min Time (ms) - + Max Time (ms) - + Trials per Session - + Match Probability (%) - + Session Over Overall Accuracy: True Positive (TP): True Negative (TN): False Positive (FP): False Negative (FN): Position Accuracy: True Positive (TP): True Negative (TN): False Positive (FP): False Negative (FN): Sound Accuracy: True Positive (TP): True Negative (TN): False Positive (FP): False Negative (FN): Start Next Round