Potentials of Ultrahigh-Field MRI for the Study of Somatosensory Reorganization in Congenital Hemiplegia
Table 2
Centre of mass localization, extension, and peak -score () for primary (S1) and secondary (S2) somatosensory areas, identified by the gentle tactile stimulation of the paretic hand for each single subject.
Area
Sub
Side
Talairach’s coordinates
Cluster size (mm3)
Peak’s -score
S1
1
c
58 ± 2
−20 ± 3
38 ± 5
439
3.72
2
c
−45 ± 3
−26 ± 6
53 ± 5
1251
6.31
3
c
−32 ± 3
−17 ± 4
45 ± 4
675
5.80
4
c
−42 ± 2
−33 ± 2
46 ± 1
87
3.30
5
c
−41 ± 5
−38 ± 5
48 ± 4
1595
6.16
6
c
50 ± 3
−13 ± 1
49 ± 3
174
4.68
S2
1
c
56 ± 5
−16 ± 4
24 ± 2
785
5.56
i
−57 ± 3
−37 ± 4
18 ± 4
381
3.48
2
c
−47 ± 3
−19 ± 2
19 ± 3
347
4.90
3
i
50 ± 3
−16 ± 3
39 ± 1
119
3.89
4
c
−50 ± 3
−25 ± 2
25 ± 1
223
3.83
i
53 ± 5
−32 ± 2
19 ± 2
339
3.72
5
c
−49 ± 3
−24 ± 2
20 ± 3
501
5.34
i
51 ± 3
−24 ± 2
12 ± 2
152
4.22
6
c
58 ± 3
−11 ± 6
22 ± 7
1390
6.16
i
−64 ± 2
−7 ± 3
4 ± 1
151
6.54
Talairach’s coordinates are provided as the value and standard deviation, based on all voxels of the region of interest. Abbreviations: c: contralateral to the stimulated hand; i: ipsilateral to the stimulated hand.
