Layout of the targets in the different tasks.

<p>In all the panels the eight peripheral targets (in red) and the central parget (in blue) are related to task A. The four panels depict the target trajectories (in black) to be tracked in tasks B. <b>Panel B1:</b> Vertical ellipse (swept in the CCW direction). <b>Panel B2:</b> Horizontal ellipse (CCW). <b>Panel B3:</b> Clover (CW, CCW, CCW, CW). <b>Panel B4:</b> Spiral (CCW). In all the panels in the background there is the force-field and the peanut-shaped locus of marginal stability (in blue).