Abacus Training Modulates the Neural Correlates of Exact and Approximate Calculations in Chinese Children: An fMRI Study

Table 2

Brain regions activated by the AP addition task (contrasted to the EX addition task) in the non-trained group.

Regions	Voxel size	BA	Hemisphere	𝑇 value	MNI coordinate
					𝑥	𝑦	𝑧
(1) SMA, left precentral sulcus, left superior frontal cortex	696	6/32	L/R	10.72	9	15	48
				8.51	−6	0	57
				8.38	−6	9	51
(2) Thalamus, striatum, insula	953	—	L/R	10.19	−12	−15	3
				7.99	−15	6	9
				7.77	15	12	12
(3) Middle occipital cortex, inferior parietal cortex, superior parietal cortex	454	7/40	L	9.24	−24	−75	30
				8.62	−51	−45	54
				8.48	−30	−63	48
(4) Precentral sulcus	30	9	R	7.96	57	15	36
				5.81	54	6	39
(5) Middle occipital cortex, angular	185	7/40	R	7.40	33	−63	33
				6.85	39	−54	54
				6.62	33	−66	45
(6) Cerebellum	72	—	L	6.62	−33	−81	−21
				6.47	−42	−60	−27
				6.21	−27	−87	−18
(7) Precuneus	43	7	L	6.32	−6	−75	45

BA: Brodmann area. 𝑃<0.001 (AP addition contrast versus EX addition contrast, in the non-trained group), FDR corrected.