Statistical results for injections at E70 | | | | | | |

Number of plotted cells | | | | | | |

BrdU | | | | | | |

Total | 1136 | 928 | 995 | 1206 | 2307 | |

Mean | 227.2 | 185.6 | 199.0 | 241.2 | 461.4 | |

SEM | 13.0 | 16.1 | 12.0 | 12.8 | 15.0 | |

PFC | — | **0.0318** | 0.1574 | 0.3392 | **0.0015** | Multiple comparisons (*p* values–LSD contrast) |

LIM | — | — | 0.4112 | **0.0037** | **<0.0001** |

MT | — | — | — | **0.0237** | **<0.0002** |

SS | — | — | — | — | **0.0140** |

[^{3}H]dT | | | | | | |

Total | 566 | 687 | 800 | 761 | 551 | |

Mean | 113.2 | 137.4 | 160.0 | 152.2 | 110.2 | |

SEM | 10.4 | 16.5 | 26.8 | 9.0 | 29.9 | |

BrdU–[^{3}H]dT difference in number of plotted cells | | | | | | |

*p* | **0.0001** | 0.0719 | 0.2215 | **0.0005** | **<0.0001** | ANOVA, single factor (*t* test) |

BrdU–[^{3}H]dT difference in cell numbers, corrected for section cut thickness and [^{3}H]dT detection ability^{a} | | | | | | |

*p* | **0.0002** | **0.0003** | **0.0021** | **<0.0001** | 0.5679 | |

Comparison of the percentage distributions of BrdU versus [^{3}H]dT | | | | | | |

χ^{2} | 7.74 | 10.52 | 6.15 | 8.16 | 3.61 | Kruskal–Wallis test |

*p* | **0.0054** | **0.0012** | **0.0132** | **0.0043** | **0.0575** | |

*F* (*p*) | 0.35 (**0.0066**) | 0.26 (**0.0006**) | 0.38 (**0.0111**) | 0.43 (**0.0265**) | 0.27 (**0.0007**) | *F* test of dispersion |

Correlation coefficient of percentage of BrdU versus [^{3}H]dT | | | | | | |

*r*_{s}, *p* | **0.83, ***p* < 0.0001 | **0.77, ***p* < 0.0001 | **0.82, ***p* < 0.0001 | **0.79, ***p* < 0.0001 | **0.69, ***p* < 0.0001 | Spearman's rank |

Comparison of the percentage distributions of BrdU versus [^{3}H]dT, corrected for cortical thickness^{b} | | | | | | |

χ^{2} | 4.08 | 6.11 | 1.4 | 3.58 | 1.22 | Kruskal–Wallis test |

*p* | **0.0434** | **0.0135** | 0.2365 | 0.0583 | 0.2691 | |

*F* (*p*) | 2.04 (0.0594) | 2.28 (**0.0298**) | 1.50 (0.2839) | 1.33 (0.4528) | 3.02 (**0.0040**) | *F* test of dispersion |

Correlation coefficient for mean percentage distributions of BrdU versus [^{3}H]dT^{b} | | | | | | |

*r*_{s}, *p* | **0.89, ***p* < 0.0001 | **0.68, ***p* < 0.0001 | **0.78, ***p* < 0.0001 | **0.65, ***p* < 0.0001 | **0.88, ***p* < 0.0001 | Spearman's rank |

Statistical results for injections at E55 | | | | | | |

Number of plotted cells | | | | | | |

BrdU | | | | | | |

Total | 779 | 1105 | 1219 | 994 | 1593 | |

Mean | 194.8 | 276.3 | 304.8 | 248.5 | 398.3 | |

SEM | 34.2 | 45.9 | 23.3 | 34.9 | 46.3 | |

[^{3}H]dT | | | | | | |

Total | 484 | 328 | 428 | 189 | 442 | |

Mean | 161.3 | 109.3 | 142.7 | 63.0 | 147.3 | |

SEM | 14.2 | 9.9 | 22.3 | 12.2 | 11.8 | |

Comparison of the percentage distributions of BrdU versus [^{3}H]dT | | | | | | |

χ^{2} | 2.37 | 2.75 | 0.35 | 5.17 | 8.19 | Kruskal–Wallis test |

*p* | 0.1238 | 0.0974 | 0.5541 | **0.0230** | **0.0042** | |

*F* (*p*) | 0.42 (**0.0234**) | 0.28 (**0.0009**) | 0.20 (**<0.0001**) | 0.34 (**0.0047**) | 0.13 (**0.0001**) | *F* test of dispersion |

Correlation coefficient of the percentage of BrdU versus [^{3}H]dT | | | | | | |

*r*_{s}, *p* | **0.67, ***p* < 0.0001 | **0.90, ***p* < 0.0001 | **0.86, ***p* < 0.0001 | **0.60, ***p* = 0.0005 | **0.61, ***p* = 0.0004 | Spearman's rank |

Correlation coefficient of the percentage of BrdU versus [^{3}H]dT^{b} | | | | | | |

*r*_{s}, *p* | **0.89, ***p* < 0.0001 | **0.59, ***p* = 0.0005 | **0.79, ***p* < 0.0001 | **0.81, ***p* < 0.0001 | **0.88, ***p* < 0.0001 | Spearman's rank |