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. 2015 May 27;17(1):41. doi: 10.1186/s12968-015-0143-z

Table 1.

Imaging parameters for 3D multi-contrast sequences

	3D-MERGE	T2-weighted VISTA	SNAP
FOV (FHxLRxAP mm³)	250x160x40
Resolution (FHxLRxAP mm³) for acquisition/reconstruction	0.8x0.8x0.8/0.4x0.4x0.4
TE (ms)	4.2	255/86^a	4.5
TR (ms)	9	2500	10/1987^b
Echo spacing (ms)	NA	10.8/3.6^c	NA
Flip angle (deg)	6	32	11/5^d
Turbo factor	90	130 + 4^e	98
Averages	2	1	2
Scan time (min)	3:10	4:32	6:47

^aEffective echo time/Equivalent echo time

^bSPGR repetition time/inversion recovery repetition time (IRTR)

^cEcho spacing for the first/other refocusing interval

^dFlip angle used in IR/reference acquisition

^eNumber of echoes used in each shot for acquisition/SPSS start-up