Figure 4

Dendritogenesis in primary hippocampal and cortical neurons. The number of neurons per field (A) and dendrite length (B) were measured in hippocampal (circles) and cortical (squares) neurons at 7, 14, 21 and 28 DIV. Data were analyzed by two-way ANOVA followed by post hoc tests to compare means at each time point within each cell type and means for each cell type within each time point. Time points labeled with an asterisk indicate that means differed between hippocampal and cortical neurons at that time point (Sidak’s multiple comparison test, p <0.05). All data are expressed as mean ± SD (n = 6–18 wells collected across 3–4 replicate cultures).