Fig. 3From: Naturalistic visualization of reaching movements using head-mounted displays improves movement quality compared to conventional computer screens and proves high usabilityEffects of the visualization technologies in the healthy elderly participants (Experiment 1) on: a–d Movement quality, e Movement onset, f Cognitive load with parallel counting task, g Self-reported cognitive load, h Usability, and h Motivation. Error bars: ± 1 SD. * \(p < 0.05\)Back to article page