Table 3.
Cluster Differences in Neuropsychological Measures
| Min | Mod | Sev | Statistical Analysis |
||
|---|---|---|---|---|---|
| M (SD) | M (SD) | M (SD) | F | p-value | |
| Trail Making Test | |||||
| A/C (Visual Processing) in secs | 21.9 (7.93) | 22.50 (7.17) | 22.00 (6.53) | 0.60 | .94 |
| B/D (Switching) in secs | 53.35 (14.75) | 51.85 (17.37) | 62.08 (37.56) | 1.14 | .33 |
| Purdue Pegboard | |||||
| (Bimanual Dexterity) | 10.47 (1.72) | 10.54 (1.88) | 9.47 (1.47) | 1.89 | .16 |
| Controlled Oral Word | |||||
| (Fluency) Percentiles | 75.13 (23.78) | 73.76 (23.21) | 76.31 (29.61) | 0.06 | .94 |
| Wisconsin Card Sort | |||||
| Errors (Executive Functioning) | 53.16 (26.84) | 59.15 (25.97) | 60.31 (36.39) | 0.47 | .63 |
|
Modified Titrated
Monetary Incentive Delay |
|||||
| $ (Reward Processing) | 38.01 (11.75) | 36.42 (11.06) | 33.8 (13.61) | 0.48 | .62 |
| Facial Emotion Perception | |||||
| Fear Accuracy | 0.81 (0.11) | 0.81 (0.13) | 0.93 (0.07) | 4.15 | .02 a |
| Anger Accuracy | 0.66 (0.22) | 0.76 (0.19) | 0.91 (0.11) | 6.56 | .003 b |
| Happy Accuracy | 0.96 (0.08) | 0.97 (0.06) | 0.96 (0.06) | 0.42 | .66 |
| Sad Accuracy | 0.77 (0.19) | 0.84 (0.14) | 0.80 (0.15) | 1.27 | .29 |
| Neutral Accuracy | 0.77 (0.22) | 0.68 (0.2) | 0.72 (0.08) | 1.55 | .22 |
| Parametric Go/No-go | |||||
| 2 Target RT | 424.51 (37.22) | 423.15 (46.31) | 436.06 (66.38) | 0.38 | .69 |
| 2 Target Inhibition | 0.77 (0.19) | 0.77 (0.18) | 0.69 (0.20) | 0.99 | .38 |
| 3 Target RT | 498.89 (51.99) | 491.66 (53.22) | 509.69 (52.93) | 0.57 | .57 |
| 3 Target Inhibition | 0.58 (0.19) | 0.66 (0.19) | 0.54 (0.16) | 2.12 | .13 |
a Bonferroni corrections were used. All significant p-values are shown.
Min= Minimal, Mod= Moderate, Sev = Severe, M= Mean, SD= Standard Deviation, sec= seconds, COWA= Controlled Oral Word Association Test, WSCT= Wisconsin Card Sorting Test, mtMID= Modified Monetary Incentive Delay, FEPT= Facial Emotion Perception Task, PGNG= Parametric Go/No-Go, RT= Reaction Time.
a
Sev > Min, Mod
b
= Sev > Min