Table 1.
Descriptive statistics of behavioral results (reaction times in seconds).
| Task | Mean | SD | Range | |
|---|---|---|---|---|
| Visually guided finger movement | Accuracy | 0.96 | 0.03 | 0.88–1.00 |
| RT | 0.71 | 0.18 | 0.40–1.11 | |
| Symbolic comparison | Accuracy | 0.99 | 0.02 | 0.92–1.00 |
| RT | 0.82 | 0.24 | 0.51–1.28 | |
| Non-symbolic comparison | Accuracy | 0.96 | 0.01 | 0.92–0.96 |
| RT | 1.08 | 0.32 | 0.54–1.77 | |
| Symbolic addition | Accuracy | 0.95 | 0.06 | 0.83–1.00 |
| RT | 2.20 | 1.60 | 0.70–5.71 | |
| Non-symbolic addition | Accuracy | 0.93 | 0.06 | 0.75–1.00 |
| RT | 3.84 | 1.60 | 1.24–6.59 | |
| Visual working memory | Accuracy | 0.91 | 0.08 | 0.75–1.00 |
| RT | 2.25 | 0.54 | 1.57–3.80 | |