Table 1. Absolute score for the automated operation span test of participants in experimental trials (n = 10). Time Time Control Head cooling a OSPAN Before 60 ± 14.29 60.2 ± 8.49 First half 59.7 ± 13.57 62.3 ± 8.19 Second half 60.4 ± 13.13 63.9 ± 5.85 a indicates moderate ES for HC over time (d = 0.51).