Table 3.

The start and end age (years) as well as duration (years) of each phase for each tract and tract group in MD, ordered by the length of the fast phase. Please see the Materials and Methods section for abbreviations of WM tract names. “—” indicates measurements not available or with nonsignificant exponential fitting

	Fast		Intermediate		Slow
	0–t1	Length	t1–t2	Length	t2–	Length
ALL	0–1.09	1.09	1.09–2.19	1.09	2.19–	—
Commissural	0–0.72	0.72	0.72–1.44	0.72	1.44–	—
Brainstem	0–1.15	1.15	1.15–2.31	1.15	2.31–	—
Association	0–1.17	1.17	1.17–2.34	1.17	2.34–	—
Projection	0–1.42	1.42	1.42–2.84	1.41	2.84–	—
Limbic	0–1.57	1.57	1.57–3.12	1.55	3.12–	—
SCC	0–0.39	0.39	0.39–0.79	0.39	0.79–	—
GCC	0–0.73	0.73	0.73–1.47	0.73	1.47–	—
CST	0–0.97	0.97	0.97–1.93	0.96	1.93–	—
PCT	0–1.02	1.02	1.02–2.03	1.02	2.03–	—
MCP	0–1.02	1.02	1.02–2.04	1.02	2.04–	—
SS	0–1.05	1.05	1.05–2.09	1.04	2.09–	—
BCC	0–1.05	1.05	1.05–2.1	1.05	2.1–	—
ML	0–1.07	1.07	1.07–2.14	1.07	2.14–	—
SLF	0–1.09	1.09	1.09–2.18	1.09	2.18–	—
ICP	0–1.11	1.11	1.11–2.22	1.11	2.22–	—
CP	0–1.17	1.17	1.17–2.33	1.16	2.33–	—
EC	0–1.35	1.35	1.35–2.69	1.34	2.69–	—
FX	0–1.36	1.36	1.36–2.71	1.35	2.71–	—
AIC	0–1.36	1.36	1.36–2.71	1.35	2.71–	—
PIC	0–1.36	1.36	1.36–2.71	1.35	2.71–	—
CGC	0–1.4	1.4	1.4–2.78	1.39	2.78–	—
UF	0–1.4	1.4	1.4–2.79	1.39	2.79–	—
SCR	0–1.45	1.45	1.45–2.89	1.44	2.89–	—
RIC	0–1.45	1.45	1.45–2.89	1.44	2.89–	—
PCR	0–1.48	1.48	1.48–2.94	1.46	2.94–	—
ACR	0–1.52	1.52	1.52–3.01	1.5	3.01–	—
CGH	0–1.8	1.8	1.8–3.55	1.75	3.55–	—
SFOF	0–2.36	2.36	2.36–4.51	2.14	4.51–	—
SCP	—	—	—	—	—	—