Table 6. Parameters of different T1 weighted sequences used for targeting the GPi in DBS surgery.

	T1-w 3D MDEFT	T1-w 3D FGATIR19	T1-w 2D FSE-IR21
Repetition time (TR)	7.92 ms	3000 ms	3000 ms
Echo time (TE)	2.48 ms	4.39 ms	40 ms
Inversion time (TI)	910 ms	409 ms	200 ms
Inversion pulse angle	180°	180°	-
Matrix	256 x 224	320 x 256	256 x 256
Slice thickness	1 mm	1 mm	3 mm
Acquisition time	12 min	11:14 min	19 min