Table 2.
Clusters that yielded significant differences between groups for blocked activity vs. fixation baseline
| Region | BA | Max Z | No. of voxels | x | y | z | Z value for each group individually | |
|---|---|---|---|---|---|---|---|---|
| Neutral vs. Fixation Baseline | ||||||||
| Control > ADHD | ||||||||
| *Middle Frontal Gyrus (L) | 46 | 3.69 | 140 | −42 | 30 | 24 | CTRL ADHD |
5.03 2.42 |
| *Precentral Gyrus (L) | 6 | 3.40 | 77 | −50 | 4 | 36 | CTRL ADHD |
6.32 3.52 |
| ADHD > Control | ||||||||
| *Posterior Cingulate (R) | 23 | 4.59 | 1140 | 8 | −46 | 20 | CTRL ADHD |
−2.74 2.59 |
| *Insula (R) | 13 | 3.54 | 802 | 34 | −26 | 12 | CTRL n.s. ADHD |
−2.10 2.78 |
| *Superior Temporal Gyrus (R) | 22 | 3.61 | 408 | 60 | −10 | 2 | CTRL ADHD n.s. |
−3.22 1.06 |
| 22 | 3.09 | 103 | 42 | −58 | 12 | CTRL ADHD n.s. |
−3.93 −0.07 |
|
| *Superior Temporal Gyrus (L) | 41 | 3.14 | 277 | −46 | −26 | 4 | CTRL n.s. ADHD n.s. |
−2.41 2.37 |
| *Superior Frontal Gyrus (L) | 8 | 3.94 | 338 | −14 | 46 | 46 | CTRL ADHD n.s. |
−4.27 1.59 |
| *Lingual Gyrus (L) | 17 | 3.68 | 266 | −2 | −94 | −4 | CTRL ADHD |
2.90 4.97 |
| *Precuneus (L) | 19 | 3.20 | 123 | −34 | −82 | 38 | CTRL ADHD n.s. |
−4.34 0.34 |
| Medial Frontal Gyrus (R) | 10 | 3.10 | 113 | 6 | 54 | 14 | CTRL ADHD n.s. |
−3.48 0.46 |
| *Inferior Frontal Gyrus (R) | 47 | 3.40 | 112 | 26 | 16 | −28 | CTRL ADHD n.s. |
−4.07 −0.75 |
| Congruent vs. Fixation Baseline | ||||||||
| Control > ADHD | ||||||||
| *Middle Frontal Gyrus (L) | 46 | 3.32 | 154 | −46 | 32 | 28 | CTRL ADHD |
4.65 2.70 |
| *Middle Frontal Gyrus (L) | 8 | 3.62 | 152 | −48 | 6 | 40 | CTRL ADHD |
5.33 2.77 |
| ADHD > Controls | ||||||||
| *Superior Temporal Gyrus (R) | 22 | 3.39 | 269 | 60 | −4 | −2 | CTRL ADHD n.s. |
−4.15 −0.64. |
| *Superior Temporal Gyrus (L) | 41 | 3.36 | 215 | −40 | −34 | 8 | CTRL ADHD n.s. |
−4.32 −0.61 |
| *Cingulate Gyrus (R) | 31 | 3.11 | 96 | 4 | −48 | 30 | CTRL ADHD n.s. |
−4.87 −2.17 |
| Incongruent vs. Fixation Baseline | ||||||||
| Control >ADHD | . | |||||||
| *Middle Frontal Gyrus (L) | 9 | 3.29 | 54 | −46 | 32 | 30 | CTRL ADHD n.s. |
4.80 2.72 |
| ADHD > Controls | ||||||||
| * Insula (R) | 13 | 3.37 | 571 | 44 | −14 | 6 | CTRL ADHD n.s. |
−4.31 −0.22 |
| *Insula (L) | 13 | 3.21 | 224 | −40 | −22 | 6 | CTRL ADHD |
−5.63 −3.94 |
| *Posterior Cingulate (R) | 29 | 3.39 | 469 | 6 | −48 | 6 | CTRL ADHD n.s. |
−4.66 −2.10 |
| *Superior Temporal Gyrus (R) | 22 | 3.26 | 254 | 42 | −60 | 12 | CTRL ADHD n.s. |
−3.90 0.65 |
| Superior Temporal Gyrus (L) | 38 | 3.18 | 178 | −34 | 0 | −28 | CTRL ADHD n.s. |
−4.89 −2.36 |
| *Lingual (L) | 18 | 3.48 | 153 | 0 | −92 | −2 | CTRL n.s. ADHD |
2.55 5.34 |
| Inferior Occipital Gyrus (R) | 17 | 3.11 | 110 | 16 | −90 | −6 | CTRL ADHD |
3.68 4.80 |
Clusters sizes marked with *are also significant at p<.05 (Z=1.96) when the behavioral covariate of mean RT for the relevant block (e.g., RT across all trials in the incongruent block) is included as a covariate.