Proportion of time on task for the haptic group across age, and assessment sessions.

<p>Mean proportion of time spent within 20° of the 90° target mean relative phase across the baseline, 5 training sessions, and post-test session for the haptic group performing the task with haptic information only, followed by the transfer task with visual information at baseline and post-test for all 4 age groups. 20s: circles; 50s: squares; 60s: triangles; 70s: diamonds. Error bars are standard errors.