Normal Myelination AGE CASE 35 weeks 1 0 day 1 2 days 1 4 days 1 56 days 1 2 months 1 4 months 1 6 months 1 7 months 1 2 11 months 1 2 3 6 years 1 7 years 1 2 11 years 1 2 3 12 years 1 14 years 1 2 3 15 years 1 16 years 1 17 years 1