Table 1.
Extracted cursor measures
| Cursor measures name | Short description | Source |
|---|---|---|
| Acceleration changes (accChanges) | Number of times the mouse cursor acceleration changes signs | Cranford & Moss, 2018 |
| Average deviation (AD) | Average deviation from an optimal trajectory | Wulff et al. in press |
| Area under the curve (AUC) | Area between optimal and actual trajectory | Wirth et al. 2020 |
| Curvature | Length of actual trajectory divided by length of optimal trajectory | Wirth et al. 2020 |
| Maximum absolute deviation (MAD) | Maximum distance from the actual trajectory to the optimal trajectory | Wirth et al. 2020 |
| Maximum absolute deviation above the optimal trajectory (MADabove) | Same as MAD except only distances towards the alternative response option are considered | Wulff et al. in press |
| Maximum acceleration (maxAcc) | Maximum acceleration | Wulff et al. in press |
| Maximum velocity (maxVel) | Maximum velocity | Wulff et al. in press |
| Mean velocity (meanVel) | Mean velocity | - |
| Minimum velocity (minVel) | Minimum velocity | - |
| Minimum X (minX) | Minimal distance to alternative response in x-coordinates | Wirth et al. 2020 |
| Motor pauses | Time in seconds in which the mouse cursor was not moved | Wulff et al. in press |
| Motion time | Time in seconds in which the mouse cursor was moved | Wulff et al. in press |
| Reversals | Number of times the cursor traversed the midline of the screen | Wulff et al. in press |
| Sample entropy for x-coordinates (sampleEnX) | Complexity measure for x-coordinates of cursor trajectory | Wirth et al. 2020, Hehman et al., 2015 |
| Time to peak acceleration (timeToPeakAcc) | Time in seconds until the maximum acceleration in trajectory is reached | Wirth et al. 2020 |
| Time to peak velocity (timeToPeakVel) | Time in seconds until the maximum velocity in trajectory is reached | Wirth et al. 2020 |
| xFlips | Number of times the movement direction in x-coordinates changes | Wirth et al. 2020 |
Note. Overview of extracted cursor measures, with a short description and source. Measures without source are basic measures that were added by the authors; for all cursor measures from the literature that were not implemented, see Table 3