Table 1 Mean (SD) of task performance and coordination metrics for all groups in the post-test.

From: Age-dependent differences in learning to control a robot arm using a body-machine interface

 

9-year old

12-year old

Adult

CLD

Number of participants who completed post-test

4/11

9/12

25/25

1/1

Movement Time (s)

8.46 (6.48)

4.15 (2.61)

2.55 (2.25)

1.21

Path length (no. units)

3.66 (2.42)

2.34 (1.14)

1.52 (0.65)

1.17

Planarity (%)

85.46 (7.16)

81.40 (7.95)

89.49 (3.65)

62.98

Aspect ratio (no. units)

0.49 (0.16)

0.54 (0.12)

0.46 (0.20)

0.72

  1. For the 9-year and 12-year old groups, the data only includes participants who were able to complete the task. The child with congenital limb deficiency (CLD) column does not have a SD because there was only a single participant in this group.