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Table 3 Mean time-to-target for S8 4D RU controllers per test batch

From: Stable, simultaneous and proportional 4-DoF prosthetic hand control via synergy-inspired linear interpolation: a case series

Time-to-Target Average (s)

Months

Post-training

Batch number

Std.

Dev.

1

2

3

4

5

1 Month*

6.6

11.6

8.4

9.5

12.5

2.4

1 Month

8.2

10.5

15.1

13.1

13.8

2.8

4 Months

7.0

7.7

8.0

9.6

10.3

1.4

6 Months

7.0

8.4

6.6

8.2

6.6

0.9

9 Months

7.9

6.8

10.1

8.5

8.7

1.2

Kinematic

7.3

6.5

5.7

5.7

6.1

0.6

  1. Values in the central 6 × 5 grid are mean Time-To-Target, with missed targets excluded. The rightmost column shows the standard deviation across batches. Evaluations 4/6/9 months post-training appear to have more consistent rates between batches than both 1-month post-training evaluations
  2. *From Sect. 3.4