Table 2. Functional brain regions identified as showing risk-related differences between the HIV- and HIV+ groups while they performed the risky gains task.

Structure	Hemisphere	BA	Volume	Center of Mass			Average
			(µL)	X	Y	Z	F-valuea
Anterior Cingulate	R	24/32	21,249	−5	−16	27	7.16
Middle Frontal Gyrus	L	9	11,043	38	−15	33	6.92
Middle Frontal Gyrus	R	9/46	9,450	−41	−20	29	6.52
Thalamus	L		3,510	10	30	1	6.45
Lentiform Nucleus	L	13	3,348	20	−12	1	6.22
Claustrum	R		2,376	−26	−19	6	5.98
Inferior Parietal Lobule	L	40	2,349	41	65	44	5.42
Superior Frontal Gyrus	R	10	1,917	−26	−54	5	7.00

Center-of-mass coordinates, in radiological convention, are in the MNI152 standard space and structure labels are from the Talairach & Tournoux atlas [150]. BA, Brodmann Area; L, Left; R, Right. ^a F_{(1, 36).}