Heat map for the normalized expression of selected transcripts important for neuronal functionality by RNA-seq. n = 3 independent experiments. CaMK, Ca 2+ /calmodulin-dependent protein kinase. Data are mean ± s.e.m. Scale bars: 50 μm (b); 100 μm (d, j); 50 μm (n) and 20 μm (n, enlarged view). Two-tailed unpaired t -test (e, h, m). Welch’s one-way ANOVA with Games–Howell’s correction (l).