Table 2.

Meta-analysis results for fMRI studies of error-processing and inhibitory control in OCD and HC.

Contrast	MNI x, y, z Coordinates	Peak SDM-Z	Peak SMD	Mean SMD	P Value	No. of Voxels	Brodmann areas
Errors OCD > HC
R aI/fO	44,42,18	2.80	0.27	0.22	0.0005	302	45,44
R aLPFC	24,50,12	3.714	0.35	0.24	0.000005	123	10,46
L & R pre-SMA, R premotor cortex	20,12,48	2.797	0.26	0.21	0.0005	126	8
L & R dACC/SMA	4,10,46	2.527	0.25	0.21	0.001	111	32,24,6
Errors HC > OCD
L & R occipital lobe	10,−82,16	−2.630	−0.25	−0.17	0.00005	545	18,17,19
R MTL	50,−4,−20	−2.224	−0.21	−0.17	0.0005	97	21
Inhibitory control OCD > HC
L premotor cortex	−26,0,60	2.5	0.23	0.16	0.00005	283	6
R premotor cortex	30,−6,52	2.349	0.22	0.15	0.00005	134	6
R ITL/occipital lobe	48,−54,−10	2.237	0.21	0.15	0.0001	102	37,19,20
R SPL	28,−52,56	2.096	0.19	0.14	0.0005	100	7
Inhibitory control HC > OCD
L & R thalamus, L caudate	−16,6,22	−3.68	−0.34	−0.27	0.00005	437
L & R dACC/rACC/vACC	14,42,12	−3.789	−0.35	−0.27	0.00005	410	32,24,11,25
R occipital lobe	26,−54,2	−4.205	−0.4	−0.31	0.000005	310	19,17
R SMG/angular gyrus	56,−44,30	−3.483	−0.32	−0.25	0.0001	347	40,39
L occipital lobe/cerebellum	−28,−46,−8	−2.813	−0.26	−0.24	0.005	135	37,18,19
R mOFC	20,36,−18	−3.514	−0.33	−0.26	0.0001	101	11
R caudate	18,−12,22	−3.399	−0.32	−0.27	0.0005	90
R aI/fO/STL	48,18,4	−3.131	−0.29	−0.25	0.0005	88	45,44,38

Abbreviations: ai, anterior insula; aLPFC, anterior lateral prefrontal cortex; dACC, dorsal anterior cingulate cortex; fO, frontal operculum; HC, healthy controls; ITL, inferior temporal lobe; IPL, inferior parietal lobe; mOFC, medial orbitofrontal cortex; MNI, Montreal Neurological Institute; MTL, middle temporal lobe; pre-SMA, pre-supplementary motor area; OCD, obsessive-compulsive disorder; rACC, rostral anterior cingulate cortex; SDM, a Seed-based d Mapping; SMD, standardized mean difference (Hedges’ g); SMA, supplementary motor area; SMG, supramarginal gyrus; SPL, superior parietal lobe; STL, superior temporal lobe; vACC, ventral anterior cingulate cortex.