Modelling 3D saccade generation by feedforward optimal control
Fig 4
(A) Example velocity profiles for saccades of different amplitudes.
Note that their peak velocity is reached at the same moment. (B) The amplitude-peak velocity relation (ordinate: 0–700 deg/s) for fast and very slow (diazepam-affected and fatigued) saccades (different symbols). The red curve delineates the fastest saccades possible for this human subject. Oblique lines separate sectors where saccades have a particular skewness. The lower the slope, the slower the saccades, and the larger its skewness. (C) Tight relation for saccades between amplitude and the product of peak velocity and duration. This relation expresses the fact that typical eye-saccades have single-peaked, ‘triangular-shaped’ velocity profiles. After: [43].