Table 3.
Descriptive statistics for neurocognitive performance data, N = 252 children ages 5.0 to 11.8 years of age.
| Mean ±SD | Range | ||
|---|---|---|---|
| Motor Dexterity | |||
| Grooved Pegboard | |||
| Dominant Hand Completion Time (s) | 43.9 ±17.5 | 23 – 135 | |
| Non-Dominant Hand Completion Time (s) | 50.0 ±24.3 | 24 – 223 | |
| Working Memory | |||
| Rapid Visual Processing (RVP) | |||
| Hits (number) | 18.8 ±4.4 | 0 – 24 | |
| Misses (number) | 5.2 ±4.4 | 0 – 24 | |
| False Alarms (number) | 5.1 ±7.7 | 0 – 66 | |
| Correct Rejections (number) | 258.6 ±13.9 | 200 – 276 | |
| Visual Attention | |||
| Reaction Time (RTI) | |||
| Single Choice Visual Display | |||
| Accuracy (number) | 13.9 ±1.3 | 8 – 15 | |
| Reaction Time (ms) | 449.2 ±154.2 | 244.8 – 1616.9 | |
| Movement Time (ms) | 453.3 ±150.0 | 149.6 – 1080.3 | |
| Five-Choice Visual Display | |||
| Accuracy (number) | 14.3 ±1.2 | 7 – 15 | |
| Reaction Time (ms) | 462.6 ±106.2 | 292.5 – 961.5 | |
| Movement Time (ms) | 416.5 ±92.4 | 157.9 – 722.5 | |
| Short-Term Memory | |||
| Spatial Span (SSP) | |||
| Span Length (number) | 4.5 ±1.4 | 1 – 9 | |
| Total Errors (number) | 12.2 ±5.2 | 4 – 30 | |