Figure 2 | Scientific Reports

Figure 2

From: Characterisation of visual guidance of steering to intercept targets following curving trajectories using Qualitative Inconsistency Detection

Figure 2

Initial conditions and target trajectories. The participant’s position at the onset of an experimental trial corresponded to the X–Z coordinate system’s (0,0) origin. At that moment in time, a target (represented by a black dot) appeared at a lateral position S of − 20, − 10, 0, + 10 or + 20 m, at a constant in-depth distance of 60 m. From each initial target position, targets could move along two different circular trajectories (20-m and 40-m radii), either leftward or rightward. The resulting 20 experimental target trajectories were subsequently mirror-collapsed, recoding target motion direction to inward or outward. On inward trajectories (pink) the target initially moved toward the X = 0 axis corresponding to the participant’s initial movement direction, while on outward trajectories (brown) the target initially moved away from this axis. Note that for S = 0 all target trajectories were (by definition) outward.

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