A Preliminary Study of Functional Brain Activation among Marijuana Users during Performance of a Virtual Water Maze Task

Table 3

Foci of maximally activated brain regions—Retrieval-Motor Control.

Whole brain	MNI coordinates				Cluster size (k)	T-max	Voxel P uncorrected	Cohen’s d
Region	BA	x	y	z
NU > MJ
L inferior frontal pars triangularis	45	−46	20	12	44	4.46	<.001	1.78
L inferior frontal pars opercularis
L superior frontal pars orbitalis	47	−26	46	−2	36	3.78	<.001	1.51
L superior frontal gyrus
L middle frontal gyrus	46	−42	40	28	201	3.67	.001	1.47
L inferior frontal pars triangularis
R pallidum	48	18	6	−4	25	3.42	.001	1.37
R putamen
R inferior frontal pars triangularis	47	40	42	0	25	3.24	.002	1.30
R inferior frontal pars orbitalis
R middle frontal gyrus
MJ > NU		—	—	—		—	n.s.

L: left hemisphere; R: right hemisphere. BA: Brodmann area. P < .005 (uncorrected).