Table 4.
Mean (± standard deviation) of spatial, temporal and kinematic variables eyes openned vs eyes closed in the typical group.
| Spatial, temporal, kinematic variables | Eyes openned (n = 32) M (SD) |
Eyes closed (n = 32) M (SD) |
p |
|---|---|---|---|
| Number of strokes | 2.88 (3.4) | 1.62 (1.39) | 0.29 |
| Total drawing time (s) | 21.59 (12.1) | 21.34 (10.93) | 0.90 |
| Effective drawing time (s) | 19.81 (10.33) | 20.12 (9.35) | 0.68 |
| On-paper pauses times (s) | 0.25 (1.02) | 1.78 (2.2) | 0.0002*** |
| In-air pauses times (s) | 0.81 (2.38) | 1.09 (2.99) | 0.93 |
| Number of velocity peaks | 0.66 (1.21) | 1.19 (1.91) | 0.21 |
| Total drawing length (mm) | 691.81 (142.01) | 666.72 (143.92) | 0.40 |
| Average length per stroke (mm) | 475.16 (251.04) | 534.47 (202.66) | 0.49 |
| Average velocity (mm/s) | 41.28 (14.98) | 39 (16.2) | 0.39 |
| Maximum velocity (mm/s) | 43.44 (13.86) | 40.06 (15.85) | 0.22 |
| Drawing width (mm) | 199.12 (5.98) | 193.34 (9.73) | 0.03* |
| Drawing height (mm) | 21.94 (8.68) | 27.41 (9.93) | 0.02* |
| Number of loops | 22.25 (7.39) | 19.28 (6.17) | 0.10 |
| Degree of inclination of the line | − 1.44 (3.33) | 0 (4.85) | 0.36 |
| Height of loops (mm) | 8.94 (3.14) | 9.5 (2.59) | 0.26 |
| Spacing between loops (mm) | 9.69 (2.68) | 10.97 (3.3) | 0.18 |
Significant values are in bold.
Levels of signification: *p < 0.05; **p < 0.01; ***p < 0.001.