Fig. 1.

A: general setup and visual workspace. Only 1 start and 1 target location were shown on a given trial, but all generalization targets are displayed here for illustrative purposes. In addition, the actual targets were white. B: experimental protocol for an exemplary participant of experiment 1. The start location of the hand on the table was identical for both visual workspaces. The presence/absence of the rotation was cued by the color of the start circle and instructed for both trials with and without feedback. Alternation between visual workspaces was every 4 trials during familiarization and posttest practice and every 8 trials during rotation practice. Circles represent movement trials; squares are explicit judgment trials, where participants do not move their arm and verbally judge required movement direction instead.