FLAIR — Heavy T2 readout (TE=150ms) · 1.5T

TR = 9000 ms · TI = 2400 ms · TE = 150 ms · 2 cycles — longer TE further amplifies T2 contrast; WM darker, long-T2 pathology brighter

Fat (T1=260ms)

White matter (T1=650ms)

Grey matter (T1=950ms)

Muscle (T1=860ms)

CSF (T1=3600ms) — nulled