Table 3.
Kendall’s tau rank correlation matrix
| Task Metric | Congruent MEDRTC | Neutral MEDRTC | Incongruent MEDRTC | Incon- Con MEDRTC | Incon- Neutral MEDRTC | Congruent Correct (%) | Neutral Correct (%) | Incongruent Correct (%) | Incon-Con Correct (%) | Incon-Neutral Correct (%) | MEDRTC | CT | Slope Target Present | Slope Target Absent | Missed Targets | MEDRTC Target Present | MEDRTC Target Absent | Positive Affect Score | Negative Affect Score | Alert | False Starts | Fastest RT | 1 / median RT | 1 / mean RT | log STD RT | 1 / Slowest RT | Lapses | KSS | Attempted | Correct (number) | Correct (%) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Stroop Congruent MEDRTC | |||||||||||||||||||||||||||||||
| Stroop Neutral MEDRTC | 0.79 | ||||||||||||||||||||||||||||||
| Stroop Incongruent MEDRTC | 0.54 | 0.66 | |||||||||||||||||||||||||||||
| Stroop Incon-Con MEDRTC | 0.23 | 0.37 | 0.68 | ||||||||||||||||||||||||||||
| Stroop Incon-Neutral MEDRTC | 0.16 | 0.23 | 0.57 | 0.74 | |||||||||||||||||||||||||||
| Stroop Congruent Correct (%) | 0.19 | 0.26 | 0.39 | 0.42 | 0.45 | ||||||||||||||||||||||||||
| Stroop Neutral Correct (%) | 0.23 | 0.26 | 0.34 | 0.26 | 0.28 | 0.70 | |||||||||||||||||||||||||
| Stroop Incongruent Correct (%) | 0.25 | 0.23 | 0.33 | 0.23 | 0.32 | 0.53 | 0.61 | ||||||||||||||||||||||||
| Stroop Incon-Con Correct (%) | 0.29 | 0.22 | 0.30 | 0.20 | 0.25 | 0.36 | 0.48 | 0.83 | |||||||||||||||||||||||
| Stroop Incon-Neutral Correct (%) | 0.32 | 0.30 | 0.34 | 0.26 | 0.19 | 0.23 | 0.22 | 0.61 | 0.70 | ||||||||||||||||||||||
| VS MEDRTC | 0.43 | 0.40 | 0.42 | 0.17 | 0.19 | 0.09 | 0.12 | 0.19 | 0.21 | 0.23 | |||||||||||||||||||||
| VS CT | −0.29 | −0.24 | −0.20 | −0.01 | −0.01 | 0.29 | 0.14 | 0.16 | 0.06 | 0.07 | −0.56 | ||||||||||||||||||||
| VS Slope Target Present | 0.19 | 0.16 | 0.32 | 0.32 | 0.32 | 0.23 | 0.19 | 0.16 | 0.14 | 0.14 | 0.46 | −0.38 | |||||||||||||||||||
| VS Slope Target Absent | 0.19 | 0.19 | 0.32 | 0.22 | 0.22 | 0.14 | 0.26 | 0.26 | 0.25 | 0.18 | 0.60 | −0.32 | 0.29 | ||||||||||||||||||
| VS Missed Targets | −0.19 | −0.21 | −0.27 | −0.15 | −0.15 | −0.34 | −0.42 | −0.55 | −0.50 | −0.42 | −0.15 | −0.18 | −0.06 | −0.36 | |||||||||||||||||
| VS MEDRTC Target Present | 0.45 | 0.40 | 0.44 | 0.17 | 0.22 | 0.07 | 0.09 | 0.22 | 0.23 | 0.28 | 0.91 | −0.58 | 0.48 | 0.53 | −0.15 | ||||||||||||||||
| VS MEDRTC Target Absent | 0.37 | 0.35 | 0.38 | 0.18 | 0.20 | 0.11 | 0.20 | 0.23 | 0.26 | 0.25 | 0.87 | −0.50 | 0.47 | 0.71 | −0.21 | 0.80 | |||||||||||||||
| PANAS Positive Affect Score | −0.05 | −0.03 | 0.03 | 0.16 | 0.23 | 0.20 | 0.07 | 0.09 | 0.00 | 0.16 | −0.02 | 0.16 | 0.16 | 0.01 | 0.08 | −0.06 | −0.01 | ||||||||||||||
| PANAS Negative Affect Score | −0.25 | −0.16 | −0.24 | −0.18 | −0.25 | −0.02 | −0.02 | −0.11 | −0.08 | −0.04 | −0.29 | 0.36 | −0.21 | −0.24 | −0.01 | −0.26 | −0.27 | 0.05 | |||||||||||||
| VAS Alert | −0.23 | −0.11 | −0.05 | 0.05 | 0.05 | 0.33 | 0.19 | 0.17 | 0.05 | 0.01 | −0.22 | 0.43 | −0.06 | −0.15 | −0.07 | −0.26 | −0.23 | 0.29 | 0.18 | ||||||||||||
| PVT False Starts | −0.01 | 0.02 | −0.09 | −0.16 | −0.26 | −0.28 | −0.29 | −0.25 | −0.21 | −0.02 | 0.10 | −0.17 | 0.01 | 0.09 | 0.17 | 0.15 | 0.02 | −0.24 | 0.02 | −0.28 | |||||||||||
| PVT Fastest RT | 0.26 | 0.31 | 0.30 | 0.22 | 0.12 | −0.14 | 0.00 | −0.16 | −0.06 | −0.16 | 0.27 | −0.44 | 0.28 | 0.18 | 0.11 | 0.27 | 0.29 | −0.20 | −0.10 | −0.36 | −0.01 | ||||||||||
| PVT 1 / median RT | −0.16 | −0.21 | −0.16 | −0.07 | 0.09 | 0.15 | −0.05 | 0.18 | 0.10 | 0.19 | −0.19 | 0.39 | −0.26 | −0.24 | 0.07 | −0.18 | −0.22 | 0.19 | 0.06 | 0.30 | −0.09 | −0.71 | |||||||||
| PVT 1 / mean RT | −0.12 | −0.12 | 0.02 | 0.13 | 0.28 | 0.40 | 0.14 | 0.28 | 0.16 | 0.20 | −0.13 | 0.41 | −0.14 | −0.15 | −0.02 | −0.14 | −0.15 | 0.20 | −0.01 | 0.35 | −0.21 | −0.55 | 0.80 | ||||||||
| PVT log STD RT | 0.11 | 0.06 | −0.12 | −0.28 | −0.38 | −0.45 | −0.21 | −0.25 | −0.12 | −0.16 | 0.17 | −0.34 | −0.02 | 0.19 | 0.01 | 0.19 | 0.15 | −0.35 | 0.05 | −0.42 | 0.38 | 0.31 | −0.47 | −0.71 | |||||||
| PVT 1 / Slowest RT | −0.12 | −0.07 | 0.11 | 0.26 | 0.35 | 0.43 | 0.19 | 0.23 | 0.11 | 0.15 | −0.16 | 0.33 | 0.01 | −0.19 | 0.01 | −0.19 | −0.15 | 0.33 | −0.06 | 0.42 | −0.35 | −0.34 | 0.51 | 0.74 | −0.98 | ||||||
| PVT Lapses | 0.06 | 0.06 | −0.06 | −0.19 | −0.29 | −0.36 | −0.13 | −0.24 | −0.19 | −0.25 | 0.12 | −0.31 | 0.04 | 0.19 | 0.00 | 0.15 | 0.11 | −0.24 | 0.10 | −0.39 | 0.36 | 0.40 | −0.67 | −0.80 | 0.79 | −0.82 | |||||
| KSS | −0.02 | −0.08 | −0.04 | −0.05 | −0.09 | −0.27 | −0.22 | −0.02 | 0.10 | 0.10 | 0.04 | −0.21 | 0.05 | −0.12 | −0.05 | 0.13 | −0.02 | −0.45 | −0.11 | −0.34 | 0.29 | 0.08 | −0.17 | −0.23 | 0.26 | −0.27 | 0.17 | ||||
| ADD Attempted | −0.36 | −0.43 | −0.43 | −0.23 | −0.23 | −0.28 | −0.23 | −0.21 | −0.16 | −0.18 | −0.43 | 0.14 | −0.18 | −0.28 | 0.04 | −0.43 | −0.32 | −0.01 | 0.08 | 0.01 | −0.19 | −0.09 | 0.04 | −0.04 | 0.04 | −0.02 | −0.01 | 0.04 | |||
| ADD Correct (number) | −0.37 | −0.44 | −0.45 | −0.25 | −0.25 | −0.32 | −0.27 | −0.25 | −0.20 | −0.22 | −0.38 | 0.10 | −0.14 | −0.24 | 0.07 | −0.38 | −0.27 | −0.04 | 0.09 | −0.03 | −0.17 | −0.05 | 0.00 | −0.08 | 0.09 | −0.07 | 0.03 | 0.07 | 0.96 | ||
| ADD Correct (%) | −0.15 | −0.22 | −0.27 | −0.24 | −0.22 | −0.13 | 0.04 | −0.05 | 0.00 | −0.13 | 0.15 | −0.15 | 0.16 | 0.22 | −0.06 | 0.15 | 0.25 | −0.10 | 0.08 | −0.23 | 0.05 | 0.24 | −0.32 | −0.30 | 0.34 | −0.32 | 0.25 | 0.14 | 0.31 | 0.36 | |
| MWT SOL | 0.01 | 0.03 | 0.04 | 0.15 | 0.19 | 0.26 | 0.15 | 0.15 | 0.06 | 0.13 | 0.02 | 0.15 | 0.08 | 0.06 | 0.00 | −0.03 | 0.10 | 0.47 | −0.03 | 0.16 | −0.32 | −0.17 | 0.33 | 0.39 | −0.47 | 0.46 | −0.42 | −0.47 | 0.04 | −0.01 | −0.09 |
Blue shaded boxes indicate significant within-task rank correlations, orange shaded boxes indicate significant between-task rank correlations. Data shown is from visit 1, correlation matrix for visit 2 is in Supplementary Table S5. Incon – Con, Incongruent – Congruent; Incon – Neutral, Incongruent – Neutral; VS, Conjunction Visual Search Task; CT, cognitive throughput; log STD, log standard deviation.