TABLE 2.

Significant differences in dALFF between drug‐naïve OCD patients and HCs

			MNI coordinate
Region	Side	Voxel size	x	y	z	T	p *
OCD patients > HCs
Dorsolateral and medial prefrontal cortex, dorsal anterior cingulate cortex	L/R	1,650	36	30	−21	5.72	<.001
			−3	0	54	5.58
			30	27	39	5.46
Putamen, caudate	L	151	−27	12	−9	4.71	.006
			−21	18	−3	4.62
			−24	6	9	4.25
Putamen, caudate	R	107	27	15	−6	4.76	.016
			18	15	−9	4.10
			15	18	9	3.99
Middle occipital gyrus	L	319	−45	−81	18	6.11	<.001
			−54	−72	18	5.07
			−36	−93	9	4.49
Inferior temporal gyrus	L	302	−51	−30	−30	6.19	<.001
			−45	−36	−30	6.00
			−42	−45	−39	5.07
Middle temporal gyrus	L	147	−48	9	−27	4.72	.006
			−45	24	−15	4.42
OCD patients < HCs
Inferior parietal lobule	R	523	30	−60	45	−8.24	<.001
			36	−39	42	−6.06
			30	−78	21	−4.89
Inferior parietal lobule	L	163	−30	−51	42	−5.05	.004
			−48	−36	51	−4.81
Cerebellum, fusiform gyrus	R	2,116	39	−72	−30	−7.70	<.001
			36	−72	−18	−7.34
			21	−87	−21	−6.86
Cerebellum, fusiform gyrus	L	330	−39	−75	−18	−5.30	<.001
			−24	−87	−15	−4.40
			−27	−63	−18	−4.39
Posterior cingulate cortex	L/R	176	12	−33	45	−4.20	.004
			−9	−39	45	−4.09
			3	−45	51	−3.56
Insula	R	89	39	−12	12	−4.25	.031
			36	−27	12	−4.15
			57	−12	3	−3.68
Insula	L	88	−33	−24	12	−4.82	.031
			−39	−9	0	−3.69

Abbreviations: HCs, healthy control subjects; MNI, Montreal Neurological Institute; OCD, obsessive–compulsive disorder.