Table 2.
Differences in regional brain activity between interoceptive and exteroceptive attention in the MT group
Anatomic region | Cluster | Co-ordinates (mm) |
|||||
---|---|---|---|---|---|---|---|
BA | Side | Size | Peak Z | x | y | z | |
Interoception > exteroception | |||||||
Paralimbic cluster | 9837 | ||||||
Insula | 48 | B | 6.81 | 33 | −6 | 15 | |
Mid-cingulate | 6/23/24 | B | 5.95 | 15 | −21 | 51 | |
Pulvinar of thalamus | – | B | 5.91 | −21 | −18 | 21 | |
Posterior cingulate | 23 | B | 5.84 | −12 | −54 | 21 | |
Retrosplenial cortex | 30 | B | 5.61 | 27 | −51 | 9 | |
Parahippocampus | 27 | B | 5.57 | 33 | −36 | −3 | |
Paracentral gyrus | 3–6 | B | 5.54 | −30 | −18 | 36 | |
Cerebellum (area 8/9) | R | 52 | 3.92 | 18 | −60 | −48 | |
Brainstem | B | 198 | 3.61 | 0 | −42 | −45 | |
Exteroception > interoception | |||||||
DMPFC | 32/8 | B | 1969 | 7.28 | −3 | 27 | 51 |
Inf. parietal, visual | 39/40/17–18 | L | 5663 | 6.42 | −45 | −54 | 51 |
DLPFC, operculum, head of caudate | 44–47/6/25 | B | 2283 | 5.75 | −51 | 12 | 30 |
Inf. parietal, angular | 7/39/40 | R | 866 | 4.92 | 33 | −57 | 54 |
Inferior temporal pole | 38 | R | 111 | 4.29 | 57 | 0 | −39 |
Note: R, right; L, left; B, bilateral; in the case of bilateral activations, the peak listed is for the side with the greater peak activation.