Table III.

White matter tract regions exhibiting significant correlation between FA and motor skill of stroke‐affected hand of patients

WM region	Tract(s)	Cluster size (mm3)	Max P, 10−x	MNI coordinates (mm)
				X	Y	Z
Lesion zone
Positive correlation
IL precentral gyrusa	CST and SLF	122	5.8	−50	−3	31
IL superior/anterior corona radiataa	CST and SLF	1,379	4.9	−29	−1	36
IL superior corona radiataa	CST and SLF	305	4.5	−40	−29	31
IL orbitofrontal region	Uncinate fasciculus	77	4.1	−34	31	−11
Negative correlation
IL temporal lobe	Inferior longitudinal fasciculus	71	2.8	−39	7	−42
Remote from lesion
Positive correlation
IL precentral gyrus	CST and SLF	116	4.6	−49	−1	31
IL rostral PLIC, cerebral peduncle, genu IC	CST and corticobulbar tract	212	4.4	−11	−5	−7
IL middle PLIC, cerebral pedunclea	CST	126	3.0	−18	−21	−7
IL superior/anterior corona radiataa	SLF	581	4.6	−24	23	24
IL superior corona radiata	SLF	113	3.7	−15	4	52
IL external/extreme capsule	Corticostriate fibers and temporo‐parieto‐frontal fibers	123	2.6	−25	23	1
CL superior PLICa	CST	213	3.2	30	−26	23
CL middle PLIC, cerebral peduncle	CST	94	4.5	22	−11	−7
CL orbitofrontal region	Cingulum bundle and uncinate fasciculus	243	4.0	13	43	−16
Negative correlation
IL posterior corona radiata	SLF and inferior longitudinal fasciculus	114	3.9	−28	−64	22

IL, ipsilesional; CL, contralesional; IC internal capsule; PLIC posterior limb of internal capsule; CST corticospinal tract; SLF superior longitudinal fasiculus.

^aRegion shown in Figure 1.