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. Author manuscript; available in PMC: 2014 Nov 1.
Published in final edited form as: Brain Cogn. 2013 Sep 18;83(2):10.1016/j.bandc.2013.07.002. doi: 10.1016/j.bandc.2013.07.002

Figure 5.

Figure 5

Grand average ERPs, for key-changes up and down, shown for expert and novice groups. There are no significant differences between key-changes up (A and B) and down (C and D) within groups (pexperts>0.90 and pnovices>0.90, Kolmogorov-Smirnov two-sample test). Novice’s ERPs are consistent with a P300, while experts’ are not.