Table 6.

Brain areas in which activity during arithmetic problem solving was significantly correlated with visuo - spatial working memory abilities in the TD and MD groups. No positive correlations were observed in the MD group. No negative correlations were observed in the TD group.

Region	BA	Cluster size (voxels)	Peak Z Score	Peak MNI coordinates (mm)
				X	Y	Z
TD Positive   correlations
R MFG	9	997	4.70	38	42	38
R Cerebellum	19	1131	4.24	26	−60	−20
R Fusiform gyrus	20		3.88	38	−8	−42
L MFG	46	253	4.14	−30	26	34
L Cerebellum	—	235	4.00	−30	−50	−40
R LOC	19	1820	3.97	20	−82	16
R Cuneus	18		3.73	4	−78	32
L Temporal pole	36	232	3.94	−38	2	−36
L ITG	20		3.03	−50	−4	−38
R Cingulate gyrus	23	3494	3.93	6	−14	36
L Cingulate gyrus	23		3.91	−4	−16	38
L SFG	6		3.86	−12	0	72
L IFG	47	101	3.79	−40	48	−12
R Visual cortex	17	223	3.55	20	−104	−4
M Cerebellum	—	139	3.45	6	−48	−26
LIPS	7	426	3.44	−32	−62	50
L Precentral gyrus	6	124	3.26	−22	−12	52
M Precuneus	7	266	3.25	2	−68	60
R SPL	5		2.95	18	−54	54
R Precentral gyrus	48	202	3.14	54	10	4
R AIC	48		2.85	38	18	10
TD Negative   correlations
No significant
voxels
MD Positive   correlations
No significant
voxels
MD Negative   correlations
L Postcentral   gyrus	3	269	4.04	−50	−24	58

Note: BA=Brodmann Area. MD=Mathematical learning disabilities group. TD=Typically Developing group. L=left hemisphere. R=right hemisphere. M=medial. Anatomical abbreviations populated from abbreviations list.