Table 1. Group Differences for Brain Activation Associated with Attentional Bias.

	MNI coordinates			Z-valuea	mm3
	X	Y	Z
Placebo
Smokers > controls
Left dACC	−2	−2	36	4.00	360b
Right DLPFC	24	44	46	4.03	456
Left SPLc	−34	−46	56	3.85	616
Smokers < controls
	—
Haloperidol
Smokers > controls
	—
Smokers < controls
	—

Abbreviations: dACC: dorsal anterior cingulate cortex; DLPFC, dorsolateral prefrontal gyrus; SPL, superior parietal lobe.

^ap<0.05 FWE small volume corrected.

^bAfter masking with the group × medication interaction the size of this cluster reduced to 176 mm³.

^cAfter masking with the group × medication interaction this cluster no longer met the requirements to correct for multiple comparisons.