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Table 2 Fifteen developmental periods of the human brain as defined by Kang et al.

From: brain-coX: investigating and visualising gene co-expression in seven human brain transcriptomic datasets

Period

Description

Age range

1

Embryonic

4–8 PCW

2

Early fetal

8–10 PCW

3

Early fetal

10–13 PCW

4

Early mid-fetal

13–16 PCW

5

Early mid-fetal

16–19 PCW

6

Late mid-fetal

19–24 PCW

7

Late fetal

24–18 PCW

8

Neonatal and early infancy

Birth to 6 M

9

Late infancy

6 M–1 Y

10

Early childhood

1–6 Y

11

Middle and late childhood

6–12 Y

12

Adolescence

12–20 Y

13

Young adulthood

20–40 Y

14

Middle adulthood

40–60 Y

15

Late adulthood

60+ Y

  1. M months, PCW post-conception weeks, Y years