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Figure 4 | Journal of NeuroEngineering and Rehabilitation

Figure 4

From: A robotic wheelchair trainer: design overview and a feasibility study

Figure 4

Average tracking errors and mean speed during training of 22 non-disabled children aged 3-9. Children in the Guidance group did not receive assistance on trials 1, 11 and 12, and received faded guidance during trials 2-10. Children in the No Guidance group did not receive assistance during training. A: Tracking error during each 50 s trial. Note that the tracking error was significantly reduced when guidance was applied at trial 2. When guidance was removed during the last 2 trials, children who trained with guidance followed the line better than children who never received guidance. B: Mean speed during each trial. Note the increase of speed in the guidance group when guidance was applied at trial 2. Error bars in all plots show ± 1 SD. *p < 0.05, t-test.

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