Table 2. Orofacial actions – different activations between tasks.

Regions	p	H	BA	MNI coordinates			T
	cluster			x	y	z
Tongue>Lips
Cluster 1 (238 voxels)	0.000
Primary somatosensory cortex		L	3	−56	−10	28	8.02
Primary motor cortex		L	4	−52	−4	20	4.35
Parietal operculum		L	43	−60	−8	14	3.93
Cluster 2 (134 voxels)	0.004
Primary motor cortex		R	4	54	−2	24	5.91
Prefontal cortex		R	9	50	−2	26	5.83
Premotor cortex		R	6	62	0	24	4.70
Tongue>Jaw
Cluster 1 (248 voxels)	0.000
Primary somatosensory cortex		L	3	−56	−10	28	6.17
Parietal operculum		L	43	−60	−12	24	6.07
Inferior parietal cortex/primary		L	3	−62	−16	30	5.20
somatosensory cortex
Primary motor cortex		L	4	−52	−4	20	4.31
Inferior parietal cortex/primary		L	2	−56	−20	32	4.27
somatosensory cortex

Maximum activation peak summary and contrast estimates of brain regions showing significant change in activity between the three motor tasks (p<.05 corrected at the cluster level, p<.001 uncorrected at the voxel level, cluster extent threshold of 30 voxels).