Table 3. Significant peak activations of the combined group for the contrasts of interest.

Contrast	hemi	region	Cluster sizea	Z	x	y	z
RM>IM	L	IFG oper.b	273	3.4	−43.6	7.47	25
	L	IFG oper.	236	4.14	−46.1	9.92	−0.247
	R	caudate	273	3.95	15.4	10.9	7.51
	L	caudate	124	2.85	−12.5	6.98	8.7
	R	cerebellum	78	3.25	33.6	−76.1	−43.1
RM>RU	L	IFG oper.	523	3.3	−43.6	14.9	19.5
IM>IU	L	cerebellum	98	3.52	−20.3	−82	−19.9

All coordinates in MNI space.

^aCluster size is expressed in number of 3×3×4 mm voxels.

^bIFG oper: Inferior Frontal Gyrus, pars opercularis.