Table 4.
Final model of significant correlates from white matter fibre tracts for the attention dimensions as assessed by the CCPT
| CCPT dimension, β (p value) | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
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| Focused attention | Impulsivity | Sustained attention | Vigilance | |||||||||
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| Group, fibre tract | Omission | RT SE | Variability | Detectability | Commission | RT | Response style | Perseveration | RT BC | RT SE BC | RT ISI C | RT SE ISI BC |
| Control | ||||||||||||
| L caudate–VLPFC | — | — | — | — | −1840.31 (0.031) | — | — | — | 0.770 (0.07) | — | — | — |
| R caudate–VLPFC | −126.0 (0.025) | — | — | — | — | — | — | −391.8 (0.002) | — | — | — | — |
| L caudate–DLPFC | — | — | — | −151.6 (0.005) | 1284.68 (0.09) | — | 10.79 (0.07) | −304.0 (0.026) | — | — | — | −2.546 (0.041) |
| R caudate–DLPFC | — | — | — | — | — | 64.74 (0.019) | −17.76 (0.005) | 339.43 (0.007) | 0.599 (0.035) | 1.13 (0.05) | — | — |
| L caudate–OFC | 160.38 (0.08) | — | — | — | — | −107.90 (0.031) | −21.80 (0.028) | 459.12 (0.038) | −1.47 (0.035) | — | — | — |
| R caudate–OFC | — | — | — | — | — | — | 23.66 (0.003) | — | — | — | — | — |
| R SLF | — | — | — | — | — | — | −8.86 (0.010) | 122.67 (0.09) | — | — | — | — |
| L cingulum | — | — | — | — | — | — | — | — | — | −0.890 (0.06) | — | — |
| R cingulum | — | — | — | — | — | — | 11.95 (0.002) | −148.19 (0.07) | — | — | — | 1.91 (0.08) |
| F (p value) | F2,47 = 2.70 (0.08) | — | — | F1,48 = 8.89 (0.005) | F2,47 = 2.47 (0.10) | F2,47 = 3.09 (0.06) | F6,43 = 3.24 (0.010) | F6,43 = 3.05 (0.014) | F3,46 = 3.27 (0.029) | F2,47 = 2.42 (0.010) | — | F2,47 = 2.56 (0.09) |
| R2 | 0.10 | — | — | 0.16 | 0.10 | 0.12 | 0.31 | 0.30 | 0.18 | 0.09 | — | 0.10 |
| ADHD | ||||||||||||
| L caudate–DLPFC | — | — | −407.0 (0.013) | — | — | — | — | — | −0.855 (0.010) | — | — | −3.82 (0.015) |
| R caudate–DLPFC | — | — | — | — | — | — | — | — | — | −1.598 (0.032) | — | — |
| L caudate–OFC | — | — | — | — | — | — | 16.26 (< 0.001) | −345.32 (< 0.001) | — | — | — | — |
| R caudate–OFC | −334.72 (0.002) | −179.81 (0.005) | — | −400.65 (0.033) | — | — | — | — | — | — | — | — |
| R SLF | — | — | — | — | −1388.5 (0.007) | — | — | — | −0.693 (0.036) | — | — | — |
| L cingulum | — | — | — | — | — | −4.43 (0.023) | — | — | — | — | −0.569 (0.022) | — |
| R cingulum | — | — | — | — | — | — | — | — | 0.627 (0.037) | 1.00 (0.08) | — | — |
| F (p value) | F1,48 = 10.73 (0.002) | F1,48 = 8.53 (0.005) | F1,48 = 6.69 (0.013) | F1,48 = 4.83 (0.033) | F1,48 = 8.02 (0.007) | F1,48 = 5.55 (0.023) | F1,48 = 17.96 (0.001) | F1,48 = 17.88 (0.001) | F3,46 = 3.85 (0.015) | F2,47 = 2.62 (0.08) | F1,48 = 5.59 (0.022) | F1,48 = 6.33 (0.015) |
| R2 | 0.18 | 0.15 | 0.12 | 0.09 | 0.14 | 0.10 | 0.27 | 0.27 | 0.20 | 0.10 | 0.10 | 0.12 |
ADHD = attention-deficit/hyperactivity disorder; BC = changed by blocks; CCPT = Conner’s Continuous Performance Test; DLPFC = dorsolateral prefrontal cortex; ISI = interstimulus interval; L = left; OFC = orbitofrontal cortex; RT = reaction time; R = right; SE = standard errors; SLF = superior longitudinal fasciculus; VLPFC = ventrolateral prefrontal cortex.