Fig. 6

Morris water maze tests. a Schematic illustration of the apparatus. b Paths of tested mice to the platform treated with or without the clusters. c Distance traveled to the hidden platform, and d latency to locate and rest on the hidden platform of the tested mice on days 13–17 and 26–30. The number of platform crossings (e) and average distance to locate the platform of the tested mice recorded on day 17 and 30. Results illustrated that the clusters especially the Au₂₄Cu₁ and Au₂₄Cd₁ promoting the recovery of neuronal cognition and the spatial learning and memory abilities of TBI mice. Data are presented as mean ± SEM and compared with the Con groups, analyzed by one-way ANOVA with Tukey test (adjusted p values are shown, *p< 0.05, **p< 0.005)