Table 3.
Summary of Intra-class correlation coefficients and 95 % Confidence intervals
| Visually Guided Reaching Parameters: R | ICC: S1 vs S2 | ICC: S2 vs S3 |
| Posture speed (m/s) | 0.65, CI (0.30, 0.83) | 0.38, CI (-0.24, 0.69) |
| Reaction time (s) | 0.91, CI (0.81, 0.95) | 0.84, CI (0.68, 0.92) |
| Initial direction error (rad) | 0.48, CI (-0.05, 0.74) | 0.72, CI (0.44, 0.86) |
| Initial distance ratio | 0.12, CI (-0.76, 0.56) | -0.10, CI (-1.21, 0.45) |
| Initial speed ratio | 0.11, CI (-0.79, 0.55) | 0.43, CI (-0.15, 0.72) |
| Speed maxima count | 0.61, CI (0.21, 0.80) | 0.40, CI (-0.19, 0.70) |
| Minimum maximum speed difference (m/s) | 0.73, CI (0.47, 0.87) | 0.73, CI (0.47, 0.87) |
| Movement time (s) | 0.61, CI (0.22, 0.80) | 0.76, CI (0.53, 0.88) |
| Path length ratio | 0.76, CI (0.52, 0.88) | 0.77, CI (0.55, 0.89) |
| Max speed (m/s) | 0.76, CI (0.53, 0.88) | 0.83, CI (0.66, 0.92) |
| Visually Guided Reaching Parameters: L | ||
| Posture speed (m/s) | 0.74, CI (0.48, 0.87) | 0.76, CI (0.52, 0.88) |
| Reaction time (s) | 0.89, CI (0.78, 0.95) | 0.80, CI (0.51, 0.90) |
| Initial direction error (rad) | 0.73, CI (0.47, 0.87) | 0.75, CI (0.50, 0.87) |
| Initial distance ratio | 0.67, CI (0.33, 0.83) | 0.71, CI (0.41, 0.85) |
| Initial speed ratio | 0.30, CI (-0.40, 0.65) | 0.74, CI (0.48, 0.87) |
| Speed maxima count | 0.73, CI (0.46, 0.87) | 0.69, CI (0.39, 0.85) |
| Minimum maximum speed difference (m/s) | 0.81, CI (0.61, 0.90) | 0.80, CI (0.60, 0.90) |
| Movement time (s) | 0.75, CI (0.49, 0.87) | 0.88, CI (0.76, 0.94) |
| Path length ratio | 0.90, CI (0.80, 0.95) | 0.90, CI (0.79, 0.95) |
| Max speed (m/s) | 0.79, CI (0.59, 0.897) | 0.90, CI (0.79, 0.95) |
| Arm Position Matching Parameters: R | ||
| Variability XY (m) | 0.29, CI (-0.41, 0.65) | 0.38, CI (-0.24, 0.69) |
| Contraction/expansion ratio XY | 0.86, CI (0.72, 0.93) | 0.87, CI (0.74, 0.93) |
| Shift XY (m) | 0.59, CI (0.18, 0.80) | 0.27, CI (-0.47, 0.63) |
| Absolute Error XY | 0.66, CI (0.32, 0.83) | 0.54, CI (0.07, 0.77) |
| Arm Position Matching Parameters: L | ||
| Variability XY (m) | 0.62, CI (0.24, 0.81) | 0.51, CI (0.01, 0.75) |
| Contraction/expansion ratio XY | 0.77, CI (0.54, 0.88) | 0.77, CI (0.54, 0.89) |
| Shift XY (m) | 0.67, CI (0.34, 0.84) | 0.43, CI (-0.14, 0.72) |
| Absolute Error XY | 0.83, CI (0.65, 0.91) | 0.51, CI (0.03, 0.76) |
| Object Hit Parameters | ICC: S1 vs S2 | ICC: S2 vs S3 |
| Total hits | 0.79, CI (0.58, 0.90) | 0.88, CI (0.76, 0.94) |
| Hits with left | 0.75, CI (0.51, 0.88) | 0.83, CI (0.64, 0.92) |
| Hit with right | 0.74, CI (0.49, 0.87) | 0.85, CI (0.70, 0.93) |
| Hand bias hits | 0.60, CI (0.21, 0.80) | 0.73, CI (0.45, 0.86) |
| Miss bias | 0.67, CI (0.33, 0.83) | 0.89, CI (0.78, 0.95) |
| Hand transition | 0.62, CI (0.24, 0.81) | 0.71, CI (0.43, 0.86) |
| Hand selection overlap | 0.43, CI (-0.15, 0.71) | 0.23, CI (-0.54, 0.62) |
| Median error | 0.30, CI (-0.40, 0.65) | 0.42, CI (-0.17, 0.71) |
| Hand speed L (m/s) | 0.76, CI (0.53, 0.88) | 0.79, CI (0.59, 0.90) |
| Hand speed R (m/s) | 0.80, CI (0.59, 0.90) | 0.79, CI (0.58, 0.89) |
| Hand speed bias | 0.72, CI (0.43, 0.86) | 0.75, CI (0.50, 0.88) |
| Movement area L (m^2) | 0.56, CI (0.12, 0.78) | 0.50, CI (0.00, 0.75) |
| Movement area R (m^2) | 0.65, CI (0.31, 0.83) | 0.83, CI (0.67, 0.92) |
| Movement area bias | 0.64, CI (0.27, 0.82) | 0.40, CI (-0.21, 0.70) |
| Object Hit & Avoid Parameters | ||
| Total hits | 0.71, CI (0.41, 0.85) | 0.65, CI (0.29, 0.82) |
| Hits with left | 0.83, CI (0.65, 0.91) | 0.53, CI (0.06, 0.77) |
| Hit with right | 0.43, CI (-0.14, 0.72) | 0.55, CI (0.09, 0.77) |
| Hand bias hits | 0.48, CI (-0.04, 0.74) | 0.44, CI (-0.29, 0.68) |
| Miss bias | 0.69, CI (0.38, 0.85) | 0.60, CI (0.19, 0.80) |
| Hand transition | 0.58, CI (0.15, 0.79) | 0.48, CI (-0.04, 0.74) |
| Hand selection overlap | 0.36, CI (-0.28, 0.68) | 0.63, CI (0.27, 0.82) |
| Median error | 0.12, CI (-0.77, 0.56) | 0.49, CI (-0.03, 0.74) |
| Hand speed L (m/s) | 0.75, CI (0.49, 0.87) | 0.57, CI (0.13, 0.78) |
| Hand speed R (m/s) | 0.78, CI (0.56, 0.89) | 0.76, CI (0.52, 0.88) |
| Hand speed bias | 0.69, CI (0.37, 0.84) | 0.64, CI (0.27, 0.82) |
| Movement area L (m^2) | 0.53, CI (0.06, 0.77) | 0.47, CI (-0.07, 0.73) |
| Movement area R (m^2) | 0.70, CI (0.40, 0.85) | 0.67, CI (0.34, 0.84) |
| Movement area bias | 0.00, CI (-0.99, 0.50) | 0.32 CI (-0.37, 0.66) |
| Distractor hits L | 0.42, CI (-0.16, 0.71) | 0.72, CI (0.44, 0.86) |
| Distractor hits R | 0.60, CI (0.20, 0.80) | 0.84, CI (0.68, 0.92) |
| Distractor hits total | 0.54, CI (0.09, 0.72) | 0.85, CI (0.70, 0.93) |
| Trail Making B Parameters | ||
| Total time (s) | 0.44, CI (-0.13, 0.72) | 0.67, CI (0.35, 0.84) |
| Dwell time (s) | 0.71, CI (0.42, 0.86) | 0.72, CI (0.43, 0.86) |
| Time ratio | 0.06, CI (-0.89, 0.53) | -0.35, CI (-1.70, 0.33) |
| Error count | 0.10, CI (-0.80, 0.55) | 0.09, CI (-0.82, 0.55) |
Legend: Statistics from S1 to S2 and S2 to S3 in parameters associated with Visually guided reach, Arm position matching, Object hit, Object hit and avoid, and Trail making B tasks