Experimental setup, the robotic arm (HapticMaster), rear-projection screen, and a subject sitting on a chair, while holding the manipulandum of the robotic arm. Bahman Nasseroleslami Christopher J. Hasson Dagmar Sternad 10.1371/journal.pcbi.1003900.g006 https://plos.figshare.com/articles/figure/_Experimental_setup_the_robotic_arm_HapticMaster_rear_projection_screen_and_a_subject_sitting_on_a_chair_while_holding_the_manipulandum_of_the_robotic_arm_/1219714 <p>The task instruction was to move the ball-and-cup object rhythmically between the two green targets at a frequency of 1 Hz. As long as the excursion maxima alternated between the wide target regions, the task was satisfied. Hence, the subjects could choose their movement amplitude.</p> 2014-10-23 16:36:07 subject object behavior movement interaction sensorimotor information processing object manipulation strategy amplitude Inverse dynamics calculations task