(H, I) Y maze test (WT n=9 mice, crmp2-/- n=8 mice). Decreased alternations between arms of the maze indicates impaired working memory (number of visits, WT: 23.1±1.9, crmp2-/- 30.4±3.8, p=0.12; alternations, WT 68.8±2.5%, crmp2-/- 57.3±2.5%, p=0.006), mean ± SEM, *p<0.05, t-test. 