Table IX.
Regression analysis of the 2‐back versus 1‐back condition (n = 32a; multivariable regression analysis; P uncorrected < 0.001, k ≥ 20)
| Anatomical location | Side | Cluster size | MNI | t‐value | ||
|---|---|---|---|---|---|---|
| x | y | z | ||||
| Insula (24%) | R | 21 | 40 | −24 | 6 | 3.89 |
| Superior temporal gyrus (76%) | R | |||||
| Insula (30%) | R | 30 | 56 | −34 | 16 | 4.21 |
| Superior temporal gyrus (70%) | R | |||||
| Middle temporal gyrus (85%) | L | 119 | −58 | −30 | −6 | 4.74 |
| Superior temporal gyrus (15%) | L | |||||
| Middle temporal gyrus (7%) | L | 58 | −54 | 32 | 10 | 3.72 |
| Superior temporal gyrus (90%) | L | |||||
| Insula (26%) | L | 27 | −44 | −22 | 4 | 4.28 |
| Superior temporal gyrus (74%) | L | |||||
| Superior temporal gyrus (18%) | L | 44 | −54 | 8 | 4 | 4.11 |
| Precuneus (72%) | R | 32 | 6 | −50 | 54 | 3.55 |
| Paracentral lobule (28%) | R | |||||
| Precuneus (65%) | R | 20 | 20 | −74 | 22 | 3.60 |
| Supramarginal gyrus (53%) | R | 51 | 52 | −44 | 28 | 4.33 |
| Inferior parietal lobule (47%) | R | |||||
| Precuneus (87%) | L + R | 23 | 6 | −56 | 62 | 3.70 |
| Paracentral lobule (4%) | L | |||||
| Postcentral gyrus (80%) | L | 20 | −52 | −20 | 20 | 3.79 |
| Parahippocampal gyrus (22%) | R | 109 | 18 | −16 | −12 | 4.72 |
| Lentiform nucleus (11%) | R | |||||
| Posterior cingulate gyrus (40%) | R | 43 | 6 | −40 | 8 | 3.75 |
| Parahippocampal gyrus (14%) | R | |||||
| Lingual gyrus (9%) | R | |||||
| Culmen (12%) | R | |||||
Anatomical location (and the percentage of activated voxels within the anatomical area), cluster sizes (number of voxels), MNI coordinates (x, y, and z) and statistical t‐values of areas of significant activation for the regression analysis of the 2‐back versus 1‐back condition with severity of postconcussive complaints.
L, left hemisphere; R, right hemisphere; MNI, Montreal Neurological Institute.
a
The n‐back task was not performed in one control subject.