Table 2. Clusters interactively affected by heroin addiction and MAOA rs1137070.

Region	L/R	Abbreviation	Cluster size	p	Z	Peak (X, Y, Z)
Orbital frontal cortex/temporal pole	L	OFC (TPO).L	709	0.014	2.2	−28, 14, −22
Orbital frontal cortex	R	OFC.R	654	0.007	2.47	16, 32, −26
Temporal pole	R	TPO.R	216	0.023	2	38, 21, −15
Insula	R	INS.R	204	0.022	2.01	44, −6, −8
Anterior cingulate cortex	Bilateral	ACC	152	0.009	2.35	0, 14, 33