Table 2.

Differences in hemodynamic activity between obsessive-compulsive disorder (OCD), hoarding disorder (HD), and healthy control (HC) participants during NoGo trials, corrected for sex and age. (ACC = anterior cingulate cortex; OFC = orbital frontal cortex; MFG = middle frontal gyrus)

Region	x	y	z	F	p	OCD v HC	HD v HC	OCD v HD
Correct rejects
ACC	−6	30	27	2.363	0.102
L OFC	−39	21	−15	1.846	0.166
Precuneus	0	−66	15	3.023	0.055
R OFC	45	42	−15	4.705	0.012			0.007 OCD ↑
R Precentral	45	6	27	6.452	0.003		0.002 HD ↑	0.006 HD ↑
L MFG	−15	48	9	3.689	0.030		0.014 HD ↓
Errors of commission
ACC	−12	21	27	2.582	0.083
L Superior/Middle Frontal	−27	39	30	0.295	0.745
L OFC/Insula	−39	24	−12	5.751	0.005	0.044 OCD ↑		0.004 OCD ↑
Medial OFC	−12	42	−9	2.102	0.130
Precuneus	−9	−51	48	3.048	0.054
R Insula	39	15	−3	0.892	0.414
R OFC	42	27	−15	3.547	0.034			0.022 OCD ↑
R Superior/Middle Frontal	27	39	30	1.815	0.171