Symbolic working memory—latency for serial order recall

4-Span (secs)non-MCI (n = 33)MCI (n = 24)Significance
position 12.47 (0.93)3.71 (1.82)P < 0.001
position 21.30 (1.31)1.81 (0.94)ns
position 31.26 (0.80)1.95 (1.55)P = 0.032
position 40.64 (0.27)0.75 (0.28)ns
5-Span (secs)non-MCIMCISignificance
position 12.60 (1.25)2.57 (1.48)ns
position 21.30 (1.05)1.49 (0.99)ns
position 31.70 (1.14)2.21 (2.03)ns
position 41.66 (0.94)2.34 (1.22)ns
position 51.03 (1.26)1.33 (1.30)ns

ns: not significant