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. 2006 Nov 1;28(9):817–834. doi: 10.1002/hbm.20311

Table III.

Results of the PCA carried out across voxels in bilateral homologue areas of the visual system

Cluster ID Region definition Total number of voxels % variance first PC % variance second PC % variance third PC Ratio*
1a V1 31 20.38 6.89 6.36 25.45
2b V1 102 17.09 10.583 4.716 1.11
3a V2/3 18 26.87 10.07 8.38 9.94
4a V2/3 18 25.63 11.63 9.27 5.93
5a V2/3 17 26.40 10.57 9.84 21.68
6a V4 32 19.06 6.79 5.87 13.34
8a V5/MT 22 22.55 8.41 7.75 21.42
9a V5/MT 15 31.72 12.11 10.17 10.11
*

Ratio difference in explained variance between the first PC pair and the second PC pair.

a

One‐component solution.

b

Two‐component solution.