Table 3.
“Go” trial differences in BOLD response contrast between marijuana using and non-using adolescents
Anatomic region | Brodmann area | Volume (μl) | Talairach coordinatesa |
Effect size, Cohen’s d | ||
---|---|---|---|---|---|---|
x | y | z | ||||
Marijuana users > controlsb | ||||||
R inferior frontal gyrus, insula | 44, 13 | 4,588 | 54R | 13A | 14S | 2.58 |
R superior and middle frontal gyrus | 9, 10 | 1715 | 23R | 52A | 31S | 2.55 |
R superior parietal lobule | 7 | 1,544 | 30R | 57P | 56S | 3.11 |
R inferior parietal lobule | 40 | 1,372 | 47R | 43P | 49S | 2.92 |
R medial precuneus | 7 | 1,243 | 5R | 64P | 59S | 3.47 |
R Right; L left; A anterior; P posterior; S superior; I inferior
Talairach coordinates refer to maximum signal intensity group difference within the cluster.
Marijuana users did not show less BOLD response contrast than controls in any region