Table I.
Regions showing learning‐related changes in MR signal intensity on Day 1
| Region (BA) | Left hemisphere | Region (BA) | Right hemisphere | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Talairach coordinates | Volume (μl) | r MT | Talairach coordinates | Volume (μl) | r MT | ||||||
| x | y | z | x | y | z | ||||||
| Decreased intensity | |||||||||||
| Frontal lobe | |||||||||||
| SMA (6) | −7 | 0 | 63 | 329 | 0.54 | Precentral gyrus (4, 6) | 37 | −19 | 58 | 253 | |
| Premotor (6) | −22 | −3 | 49 | 316 | 0.53 | Premotor (6) | 18 | −18 | 63 | 234 | |
| −50 | 5 | 31 | 272 | 51 | 1 | 25 | 459 | ||||
| Middle frontal (10) | −41 | 45 | −11 | 265 | Middle frontal (6) | 26 | −5 | 51 | 749 | 0.43 | |
| Inferior frontal (44) | −37 | 4 | 24 | 716 | 0.46 | ||||||
| −50 | 15 | 22 | 202 | ||||||||
| Temporal lobe | |||||||||||
| Superior temporal (22) | −45 | −30 | 17 | 235 | |||||||
| Parietal lobe | |||||||||||
| Postcentral gyrus (2) | −39 | −31 | 47 | 1,024 | Postcentral (2) | 55 | −21 | 28 | 263 | ||
| −52 | −24 | 38 | 1,008 | Superior parietal (7) | 11 | −53 | 64 | 204 | |||
| Superior parietal (7) | −21 | −66 | 46 | 339 | Postcentral (2) | 35 | −40 | 47 | 6,785 | 0.45 | |
| Inferior parietal (40) | −40 | −40 | 32 | 374 | Superior (7) | ||||||
| Inferior parietal (40) | |||||||||||
| Occipital lobe | |||||||||||
| Middle occipital (19) | 39 | −78 | 19 | 776 | |||||||
| Cerebelluma | |||||||||||
| Lobule IV | 23 | −36 | −27 | 215 | |||||||
| Increased intensity | |||||||||||
| Cingulate cortex | |||||||||||
| Anterior cingulate (24) | −1 | 30 | 15 | 359 | −0.37 | ||||||
| −5 | 35 | 0 | 330 | ||||||||
| Posterior cingulate (31) | 0 | −33 | 33 | 547 | −0.37 | ||||||
| Occipital lobe | |||||||||||
| Lingual gyrus (18) | −1 | −79 | −5 | 431 | −0.42 | ||||||
Tabled correlations coefficients for regions in which performance was correlated significantly with learning‐related changes in MR signal, based on an α level of P < 0.001. BA, Brodmann area.
a
Regions identified using the atlas of Schmahmann et al. [2000].