Table 1 Identified brain regions in which the local activity patterns allowed to discriminate the roughness intensities (p < 0.001 uncorrected, size > 50).

Regions	Side	MNI coordinates			Cluster size	T	Z
Regions	Side	x	y	z	Cluster size	T	Z
Tactile exploration
Anterior cingulate cortex	Right	2	52	12	192	8.99	5.10
Medial prefrontal cortex	Right	0	44	26		6.87	4.47
—	Right	12	50	24		6.59	4.38
Supramarginal gyrus	Left	−50	−26	16	382	8.20	4.89
—	Left	−58	−38	12		7.51	4.68
—	Left	−60	−24	40		7.42	4.65
Visual observation
Posterior parietal cortex	Left	−24	−52	50	201	6.69	4.41
—	Left	−30	−52	60		5.88	4.11
—	Left	−20	−60	44		5.08	3.77
Precentral gyrus	Right	40	−12	48	171	6.57	4.37
—	Right	46	−6	42		6.38	4.30
Postcentral gyrus	Right	44	−24	56		5.92	4.12
Posterior parietal cortex	Right	34	−48	58	216	5.69	4.03
—	Right	22	−56	56		5.68	4.03
—	Right	16	−62	56		5.18	3.82
Inferior occipital gyrus	Right	34	−86	−6	134	5.41	3.91
—	Right	34	−74	−6		5.34	3.88
Cross-modal decoding
Anterior cingulate cortex	Left	−14	32	10	193	7.27	4.61
—	Left	−10	32	2		7.05	4.53
—	Left	−8	28	14		6.39	4.30
Insula	Right	50	2	2	98	7.07	4.54
—	Right	40	−2	−2		6.18	4.22
Supramarginal gyrus	Left	−52	−30	40	74	6.20	4.23
Inferior parietal cortex	Left	−56	−38	48		5.93	4.13
—	Left	−48	−36	52		5.42	3.92
Insula	Left	−44	12	−2	61	6.04	4.17
—	Left	−46	2	−4		5.89	4.11

Cluster size indicates N voxels, T indicates peak t-values, Z indicates peak z-values. Entries without brain region labels or in italics indicate sub-peaks within the cluster named above.

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