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2020-12-01
Nielsen, C., Mathiesen, M., Nielsen, J., Jensen, L. C..  2019.  Changes in Heart Rate and Feeling of Safety When Led by a Rehabilitation Robot. 2019 14th ACM/IEEE International Conference on Human-Robot Interaction (HRI). :580—581.

Trust is an important topic in medical human-robot interaction, since patients may be more fragile than other groups of people. This paper investigates the issue of users' trust when interacting with a rehabilitation robot. In the study, we investigate participants' heart rate and perception of safety in a scenario when their arm is led by the rehabilitation robot in two types of exercises at three different velocities. The participants' heart rate are measured during each exercise and the participants are asked how safe they feel after each exercise. The results showed that velocity and type of exercise has no significant influence on the participants' heart rate, but they do have significant influence on how safe they feel. We found that increasing velocity and longer exercises negatively influence participants' perception of safety.