Table 1.

Properties of the 6 fMRI datasets

Site	Location	Scanner equipment	Voxel size at acquisition	TR (TE)	Slice order	Length	Population(s)	Further details of dataset
WU N=120	Saint Louis, MO	Siemens Trio 3T + 12-channel head coil	4 × 4 × 4 mm	2500 (30) ms	alt+z2	14.4 min	Adults Typical only	Power et al., 2014
NIH N=91	Bethesda, MD	GE Signa 3T + 8-channel head coil	1.7 × 1.7 × 3 mm	3500 (27) ms	alt+z	8.2 min	Adults, adolescents Typical and ASD	Gotts et al., 2012
ABIDE N=164	New York, NY (NYU) Los Angeles, CA (UCLA) Salt Lake City (USM)	Siemens Allegra 3T Siemens Trio 3T Siemens Trio 3T	3 × 3 × 3 mm 3 × 3 × 4 mm 3.4 × 3.4 × 4 mm	2000 (15) ms 3000 (28) ms 2000 (28) ms	alt+z alt+z2 alt+z2	6 min 6 min 8 min	Children to adults Typical and ASD	http://fcon_1000.projects.nitrc.org/indi/abide/
GSP N=231	Boston, MA	Siemens Trio 3T + 12-channel head coil	3 × 3 × 3 mm	3000 (30) ms	alt+z	6.2 min	Adults Typical only	Holmes et al., 2015
RP N=1 (84 scans)	Austin, TX	Siemens Skyra 3T + 32-channel head coil	2.4 × 2.4 × 2.4 mm	1016 (30) ms	MB=4	10 min	Adults Typical only	Poldrack et al., 2015
HCP N=38	Saint Louis, MO	Siemens Skyra 3T + 32-channel head coil	2.0 × 2.0 × 2.0 mm	720 (33) ms	MB=8	14.3 min	Adults Typical only	Glasser et al., 2013