Table 3.

Correlational analysis between regional changes in μ-opioid BP_ND and pain reports after placebo administration.

		DLPFC		mOFC		lOFC	IFG	rACC	sgACC	pINS	PHipp	NAc	dPUT	vPUT	aTHA
	H	R	L	R	L	L	L	L	R	L	R	R	R	R	R
Δ MPQ	r	.19	.24	.42	.39	.16	.30	.37	.45	.18	.42	.38	.35	.36	.40
Total	Sig.	.2	.1	.005*	.01*	.3	.01*	.01*	.01*	.3	.005*	.01*	.02*	.02*	.01*
Δ MPQ Pain	r	.30	.30	.41	.39	.25	.21	.29	.31	.32	.33	.40	.31	.34	.34
Affect	Sig.	.057	.04*	.007*	.01*	.1	.2	.065	.04*	.03*	.03*	.008*	.04*	.02*	.02*
Δ MPQ	r	.15	.22	.33	.34	.10	.30	.41	.40	.09	.41	.33	.34	.35	.38
Sensory	Sig.	.3	.2	.03*	.02*	.5	.01*	.006*	.007*	.6	.006*	.03*	.03*	.02*	.01*
Δ MPQ Pain	r	.40	.28	.33	.38	.37	.22	.31	.12	.18	.23	.27	.24	.24	.24
Affect at 24h	Sig.	.006*	.080	.042	.017*	.02*	.2	.052	.5	.3	.2	.094	.1	.1	.1

Abbreviations: DLPFC: dorsolateral prefrontal cortex; mOFC and lOFC: medial and lateral orbitofrontal cortex; IFG: Inferior frontal gyrus; sgACC and rACC: subgenual and rostral anterior cingulate cortex; aINS and pINS: anterior and posterior insula; PHipp: Parahippocampus; NAc: nucleus accumbens; dPUT and vPUT: dorsal and anterior putamen; aTHA: anterior thalamus.