Table 2.

Distribution of stable voxels in frontal regions in quantity classification

Label	Voxels	Radius	X	y	z
A. Region labels and coordinates of cluster centroids in visual condition
Frontal_Inf_Oper_R	16	8	52	9	26
Frontal_Sup_R	30	8	28	−2	58
B. Region Labels and coordinates of cluster centroids in auditory condition
Frontal_Inf_Orb_L	12	6	−44	30	−10
Frontal_Inf_Tri_L	6	5	−44	31	12
Frontal_Inf_Oper_R	18	7	52	13	28
Frontal_Sup_Medial_R	8	4	3	31	43
Supp_Motor_Area_R	15	6	3	20	48
Precentral_R	6	4	41	4	49
Frontal_Sup_R	20	7	26	−2	59

Note: Minimum cluster size of five and inclusion of at least two participants.