Table 2.
Anatomical description of the independent components.
| Component number | Brodmann area | Volume (cc) | Max Z value (Talairach coordinates x, y, z) (left/right) |
|---|---|---|---|
| Predominantly positive spatial components: 6 and 15 | |||
| Component 6 | |||
| Superior temporal gyrus | 13, 22, 39, 41, 42 | 6.1/1.3 | 11.2 (−41, −33, 16)/6.4 (46, −51, 11) |
| Insula | 13, 40, 41 | 3.7/1.7 | 10.6 (−41, −33, 18)/7.5 (47, −28, 21) |
| Inferior parietal lobule | 40 | 2.8/1.8 | 10.5 (−51, −38, 28)/8.1 (49, −29, 24) |
| Transverse temporal gyrus | 41, 42 | 1.1/0.3 | 10.0 (−40, −30, 13)/5.1 (43, −26, 13) |
| Middle frontal gyrus | 6, 9, 10, 46 | 1.0/0.4 | 7.4 (−30, −3, 44)/4.4 (44, 24, 22) |
| Middle temporal gyrus | 20, 21, 37, 39 | 0.4/0.7 | 7.2 (−46, −56, 4)/5.9 (56, −47, −10) |
| Component 15 | |||
| Middle temporal gyrus | 19, 21, 22, 37, 39 | 6.2/1.3 | 13.7 (−50, −28, −1)/5.6 (50, −35, 4) |
| Superior temporal gyrus | 13, 21, 22, 39 | 4.5/2.5 | 13.5 (−50, −27, −1)/5.6 (49, −34, 4) |
| Middle frontal gyrus | 6, 9, 10 | 1.5/0.6 | 8.9 (−37, 6, 40)/4.6 (35, −1, 42) |
| Supramarginal gyrus | 40 | 1.0/0.0 | 6.9 (−45, −52, 32)/3.1 (53, −39, 33) |
| Precentral gyrus | 3, 4, 6, 9, 13, 43 | 0.8/0.4 | 7.8 (−37, 6, 37)/4.7 (30, −20, 49) |
| Predominantly negative spatial components: 4, 13, 25, and 30 | |||
| Component 4 | |||
| Anterior cingulate | 10, 24, 25, 32 | 5.4/5.8 | 6.4 (−9, 44, −1)/6.1 (9, 37, 16) |
| Medial frontal gyrus | 6, 8, 9, 10, 11, 25, 32 | 4.4/5.4 | 6.1 (−7, 40, −7)/5.3 (9, 41, 14) |
| Cingulate gyrus | 9, 24, 31, 32 | 3.6/3.3 | 5.0 (−7, 33, 29)/5.8 (9, 24, 26) |
| Middle frontal gyrus | 6, 8, 9, 10, 46 | 2.7/2.4 | 8.2 (−31, 37, 24)/7.1 (30, 40, 22) |
| Component 13 | |||
| Inferior frontal gyrus | 13, 44, 45, 46, 47 | 6.9/1.3 | 7.6 (−33, 24, 1)/5.9 (33, 24, 4) |
| Insula | 13, 45, 47 | 3.5/1.2 | 7.7 (−32, 22, 3)/6.0 (33, 23, 4) |
| Middle temporal gyrus | 21, 22, 39 | 1.0/0.1 | 5.7 (−52, −14, −8)/4.1 (56, −28, −14) |
| Precentral gyrus | 6, 44 | 0.7/0.4 | 7.3 (−45, 19, 6)/5.4 (50, 11, 9) |
| Middle frontal gyrus | 6, 8, 9, 10, 47 | 0.5/1.1 | 5.9 (−23, 23, 38)/7.2 (25, 30, 35) |
| Component 25 | |||
| Precuneus | 7, 19, 31, 39 | 1.0/3.4 | 5.5 (−11, −63, 37)/11.1 (25, −58, 42) |
| Middle frontal gyrus | 6, 8, 9, 10, 46 | 0.4/2.1 | 4.2 (−24, 50, 10)/18.4 (41, 24, 22) |
| Middle temporal gyrus | 21, 37, 39 | 0.4/0.8 | 4.5 (−39, −61, 22)/5.7 (44, −59, 3) |
| Cingulate gyrus | 31, 32 | 0.2/1.9 | 4.1 (−9, −40, 34)/6.0 (9, −45, 32) |
| Superior frontal gyrus | 6, 8, 9, 10 | 0.1/1.0 | 4.4 (−23, 50, 10)/5.6 (23, 11, 45) |
| Inferior frontal gyrus | 9, 13, 44, 45, 46 | 0.0/1.5 | 3.4 (−45, 21, 6)/9.5 (48, 22, 21) |
| Superior parietal lobule | 7 | 0.0/1.2 | −999.0 (0, 0, 0)/11.1 (25, −58, 43) |
| Component 30 | |||
| Middle temporal gyrus | 20, 21, 22, 37, 39 | 6.6/3.4 | 12.5 (−55, −42, −8)/7.8 (51, −50, −2) |
| Middle frontal gyrus | 6, 8, 9, 10 | 1.6/0.6 | 8.7 (−36, 13, 33)/5.5 (23, 36, 34) |
| Inferior parietal lobule | 7, 40 | 1.0/0.7 | 5.8 (−51, −36, 39)/5.7 (42, −37, 57) |
| Inferior temporal gyrus | 19, 20, 21, 37 | 0.7/0.4 | 7.4 (−52, −54, −3)/5.8 (42, −71, 2) |
| Middle occipital gyrus | 18, 19, 37 | 0.7/0.4 | 6.0 (−37, −73, −7)/5.7 (42, −71, 3) |
| Postcentral gyrus | 2, 3, 4, 5, 40, 43 | 0.6/1.4 | 5.8 (−55, −20, 22)/5.9 (56, −15, 30) |
| Precentral gyrus | 3, 4, 6, 9 | 0.3/0.7 | 8.7 (−36, 13, 34)/5.8 (54, −17, 34) |
The anatomical regions within each component are summarized after thresholding the z maps at z > 3.5 and volumes greater than 1 cm3.