Table 3.
Brain regions deactivated under the n-back task for the sleep restriction (SR) and healthy duration (HD) conditions
| SR | HD | ||||
| Brain regions | Brodmann areas | Centroid location | Volume [cc] | Centroid location | Volume [cc] |
| Precentral gyrus | 6 | R, 51, -2, 21 | 0.9 | ||
| Postcentral gyrus | 3 | L, -33, -31, 59 | 1.0 | ||
| Inferior parietal lobule | 40 | R, 47, -59, 36 | 1.0 | ||
| Inferior frontal gyrus | 46 | R. 49, 35, 8 | 1.7 | ||
| Lingual gyrus, vermis | 17 | R, 24, -65, -17 R, 23, -87, 2 |
0.5 1.5 |
B, 1, -74, -8 | 16.7 |
| Cingulate gyrus | 31 | R, 10, -34, 35 | 0.6 | ||
| Anterior cingulated gyrus, medial frontal gyrus | 32, 10 | B, 4, 47, 8 | 9.8 | L, -13, 55, 12 | 1.6 |
| Posterior cingulate gyrus | 23, 29, 30 | B, -6, -56, 6 | 30.7 | ||
| Parahippocampal gyrus, fusiform gyrus | 35, 36, 37 | R, 38, -25, -10 | 12.2 | ||
| Superior temporal gyrus | 22 | L, -47, -18, 1 | 7.0 | ||
| Middle temporal gyrus | 21 | L, -51, -11, -16 | 0.7 | ||
L = left hemisphere, R = right hemisphere, B = bilateral. Clusters satisfy a significance threshold of p < 0.005 (uncorrected) and a volume threshold of 0.5 cc. Centroid locations are in Talairach coordinates.