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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