Table 1.

MR sequence details for the two studies that contributed image data to the present analyses

Study	Ageing brain	Mild stroke (protocol 1)	Mild stroke (protocol 2)
TR/TE (ms) T1W	440/9	440/9	440/9
TR/TE (ms) T2W	6,300/106.34	6,300/106.13	6,300/107.64
TR/TE (ms) T2*W	620/15	2000/9.912	620/15
TR/TE/TI (ms) FLAIR	9,002/149.5/2,200	10,002/147/2,500	9,002/147/2,200
Pixel bandwidth T1W	122.11	125	125
Pixel bandwidth T2W	61.035	61.035	61.035
Pixel bandwidth T2*W	97.656	81.38	97.656
Pixel bandwidth FLAIR	122.07	122.07	122.07
Matrix T1W, T2*W, FLAIR	256 ×  256	256 ×  256	256 × 192
No. slices T1W	33	20	20
No. slices T2W, T2*W, FLAIR	24	20	20
Slice thickness (mm) T1W	5	5	5
Slice thickness (mm) T2W, T2*W, FLAIR	5.6	5	5
Inter-slice gap (mm) T1W	5	6.5	6.5
Inter-slice gap (mm) T2W, T2*W, FLAIR	5.6	6.5	6.5
Spatial resolution T1W/T2W, T2*W, FLAIR	1.0714/1.7188	1.0714/0.9375	1.0714/1.0714