Table 2. Summary of MRI sequences and parameters.

Sequence	T1	T2	DWI	Motor task	Word repetition	Verb generation	Resting state
Pulse type	3D IRP (inversion recovery prepared)	FAST spin-echo	single-shot spin-echo EPI	single-shot gradient-echo EPI
In plane FOV				256×256 mm
In plane matrix				256×256				128×128	64×64
Slice thickness				1.3 mm				2 mm	4 mm
Number of slices	156			72				30
Acquisition order	front to back			top to bottom				interleaved
Slice orientation	coronal			axial				axial (AC-PC)
TR	10 s	2.5 s	16.5 s	5 s	2.5 s
TE	4 s	102 ms	98 ms	50 ms
Excitation flip angle	8	90	90	90
Sparse sampling	n/a	n/a	n/a	2.5 s	n/a	n/a	n/a
Nb of volumes in the time series	1	1	71 (7×b=0 and 64×b=1,000 s/mm2)	76	173	184	120