Fig. 4
The relationships between outcome measures of the Kinarm Robotic Exoskeleton (Robot) and a Samsung Galaxy Tablet (Tablet) for younger controls (YC), older controls (OC), and individuals with stroke (IPS). The left column shows bar graphs and individual markers to represent both group and individual performance respectfully. Dashed lines between markers are used to track outcome measures calculated across devices. Differences between devices were determined using Paired Permutation Tests. If differences between devices were observed, p values are shown above the comparison. The right column shows correlations between both devices’ outcome measures for each group. All in the figure legend represents collapsed groups. Markers represent an individual’s performance and solid lines represent fits using bootstrapped parameters obtained from performing Ordinary Least Squares on each group. (A) Average Reaction Time comparisons between devices for YC (Robot: 0.28 s, Tablet: 0.27 s), OC (Robot: 0.31 s, Tablet: 0.31 s), and IPS (Robot: 0.39 s, Tablet: 0.39 s). (C) Average Max Speed comparisons between devices for YC (Robot: 22.18 cm/s, Tablet: 25.16 cm/s), OC (Robot: 10.45 cm/s, Tablet: 17.43 cm/s), and IPS (Robot: 18.18 cm/s, Tablet: 16.09). (E) Average Initial Direction Error comparisons between devices for YC (Robot: 2.26°, Tablet: 2.53°), OC (Robot: 2.68°, Tablet: 2.82°), and IPS (Robot: 4.74°, Tablet: 5.05°). (G) Average Normalized Movement Time comparisons between the KSA and custom analysis for YC (Robot: 0.11 s/cm, Tablet: 0.09 s/cm), OC (Robot: 0.11 s/cm, Tablet: 0.12 s/cm), and IPS (Robot: 0.16 s/cm, Tablet: 0.17 s/cm)