RT Book, Section A1 Schapiro, Mark B. A2 Hershey, Andrew D. SR Print(0) ID 1195236313 T1 Brain Malformations T2 CURRENT Diagnosis & Treatment Pediatric Neurology YR 2023 FD 2023 PB McGraw Hill Education PP New York, NY SN 9781260457520 LK accesspediatrics.mhmedical.com/content.aspx?aid=1195236313 RD 2023/09/22 AB Development of the central nervous system occurs in several stages: dorsal induction (3-4 weeks’ gestation), ventral induction (3-4 weeks’ gestation), cell proliferation (10-18 weeks’ gestation), cell migration (3-5 months’ gestation), synaptic development (5 months’ gestation to postnatal), and myelination (postnatal). Depending on time of insult or error in programming, different disorders result (Table 8–1).