did not reach statistical significancep = 0.0922
A2 PCs (mainly Z+) showed longer pauses than did C1 PCs (mainly Z−) (C1 = 28.2 ms, n = 8; A2 = 37.2 ms, n = 16); however, the difference in medians did not reach statistical significance (p = 0.0922, Mann–Whitney U-test).