Table 3.
Brain Regions Exhibiting a Main Effect of Delay Condition
| Region | Size (mm3) | Talairach Coordinates | Average F ratio | M (SD) % Signal Change | ||||
|---|---|---|---|---|---|---|---|---|
| x | y | z | Ctrl | Neu | Smk | |||
| Bilateral cuneus/middle occipital gyrus/lingual gyrus/fusiform gyrus/parahippocampal gyrus | 238827 | 20 | −71 | −12 | 27.87 | 0.03 (0.10) | 0.58 (0.20) | 0.59 (0.21) |
| Medial frontal gyrus/superior frontal gyrus/anterior cingulate (pregenual/subgenual) | 33361 | −1 | 55 | −13 | 11.14 | −0.11 (0.11) | 0.04 (0.15) | 0.07 (0.12) |
| Left inferior frontal gyrus/superior temporal gyrus | 9589 | −37 | 28 | −11 | 9.58 | −0.07 (0.15) | 0.11 (0.19) | 0.12 (0.12) |
| Left middle frontal gyrus/inferior frontal gyrus | 8564 | −55 | 19 | 30 | 9.32 | 0.10 (0.13) | 0.26 (0.18) | 0.21 (0.15) |
| Right middle frontal gyrus/inferior frontal gyrus/precentral gyrus | 17878 | 50 | 34 | 9 | 8.53 | 0.01 (0.12) | 0.17 (0.17) | 0.16 (0.16) |
| Right inferior parietal lobule/angular gyrus/superior temporal gyrus | 7651 | 47 | −62 | 45 | 8.34 | 0.00 (0.17) | −0.17 (0.23) | −0.10 (0.19) |
| Right precuneus/superior parietal lobule | 746 | 29 | −53 | 48 | 8.1 | 0.06 (0.12) | 0.18 (0.18) | 0.16 (0.15) |
| Left parahippocampal gyrus/amygdala | 616 | −19 | −5 | −12 | 8.08 | −0.04 (0.13) | 0.09 (0.15) | 0.09 (0.16) |
| Left middle temporal gyrus/inferior temporal gyrus | 1194 | −67 | −11 | −12 | 7.97 | −0.09 (0.11) | 0.00 (0.13) | 0.03 (0.11) |
| Right middle frontal gyrus/superior frontal gyrus | 1349 | 32 | 25 | 42 | 7.75 | 0.07 (0.10) | −0.01 (0.14) | −0.02 (0.10) |
| Right middle temporal gyrus/inferior temporal gyrus | 817 | 62 | −23 | −12 | 7.34 | 0.04 (0.15) | −0.07 (0.15) | −0.03 (0.10) |
Note. Stereotaxic coordinates are given for local maxima of activation clusters in Talairach atlas space. % Signal Change = percent change in the BOLD signal relative to the estimated baseline; Ctrl = control trials [no distractor]; Neu = neutral cue; Smk = cigarette cue.