Table 2.
Comparison of neural activations between touch condition vs baseline and between specific touch conditions.
Condition | Cluster size | T value | MNI coordinates x y z | FWE corrected p value: peak level | |||
---|---|---|---|---|---|---|---|
Interpersonal Touch, c-tactile targeted | |||||||
Activation in touch conditions vs Baseline | R SII extending to Superior Temporal Gyrus | 1978 | 12.31 | 49 | −28 | 26 | <0.001 |
L SII extending to Superior Temporal Gyrus | 1058 | 7.31 | −57 | −20 | 36 | <0.001 | |
R Postcentral Gyrus (Brodmann Area 2/3b/4a/4p) | 778 | 7.46 | 25 | −38 | 60 | <0.001 | |
Interpersonal Touch, non-c-tactile targeted | |||||||
R SII extending to Superior Temporal Gyrus | 1663 | 12.76 | 47 | −30 | 26 | <0.001 | |
L SII extending to Superior Temporal Gyrus | 1012 | 9.00 | −47 | −36 | 24 | <0.001 | |
R Postcentral Gyrus, Brodmann Area 2/3b/4a/4p | 817 | 10.50 | 33 | −30 | 62 | <0.001 | |
Impersonal Touch, c-tactile targeted | |||||||
R SII extending to Superior Temporal Gyrus | 815 | 6.97 | 49 | −28 | 26 | <0.001 | |
L SII extending to Superior Temporal Gyrus | 664 | 6.75 | −55 | −22 | 34 | <0.001 | |
Impersonal Touch, non-c-tactile targeted | |||||||
R SII extending to Superior Temporal Gyrus | 654 | 7.16 | 49 | −28 | 26 | <0.001 | |
R Thalamus: temporal | 579 | 5.23 | −21 | −44 | 14 | <0.001 | |
Touch pleasantness weighted | |||||||
R SII extending to Superior Temporal Gyrus | 965 | 13.13 | 49 | −28 | 26 | <0.001 | |
L SII extending to Superior Temporal Gyrus | 576 | 8.44 | −59 | −20 | 40 | <0.001 | |
R Postcentral Gyrus | 78 | 6.23 | 21 | −42 | 62 | <0.001 | |
Compared Activations | Interpersonal Touch > Impersonal Touch | ||||||
R Brodmann Area 4a/3b/2, Postcentral Gyrus | 984 | 7.68 | 31 | −26 | 60 | <0.001 | |
R SII | 391 | 5.14 | 41 | −24 | 20 | <0.001 | |
Impersonal Touch > Interpersonal Touch | |||||||
No suprathreshold activation, pFWE < 0.05 | |||||||
C-tactile targeted Touch > Non-c-tactile targeted Touch | |||||||
R Brodmann Area 1/2/3b, Postcentral Gyrus | 435 | 5.31 | 53 | −20 | 34 | <0.001 | |
Non-c-tactile targeted Touch > C-tactile targeted Touch | |||||||
L Thalamus temporal, Cerebellum (Lobule IV-V) | 492 | 5.07 | 3 | −38 | −2 | <0.001 | |
R Brodmann Area 4a/p, Superior Parietal Lobe | 376 | 5.02 | 29 | −28 | 60 | <0.001 |
Data was extracted from a whole-brain analysis and only activations with peak-level FWE-corrected p-value < 0.05 are reported. Regions were anatomically defined with the anatomy toolbox33.