Table 2.

fMRI time-series length for each dataset

Dataset	Range (min)	Median timeseries length (min)	Maximum number of volumes
PNC	8.35–33.25	28.25	665
NKI	7.75–24.10	24.10	1424
HCP-D	7.47–42.67	42.67	3200
HBN	8.33–23.33	18.33	1750

For each dataset, resting-state and task fMRI scans were concatenated after undergoing image processing and T1 and head motion quality control. The range and median timeseries length and maximum number of volumes for each dataset are shown here. Note that NKI only obtained resting-state fMRI and thus only rest scans were concatenated.