Paper Submission

It is done! At least for the moment. Today I submitted my first journal publication. It will now be reviewed with the possibilities of acceptance or rejection. But despite of this uncertainty I feel quite relieved, as it has disappeared from my desk and now is on the desk of other people. To give you a short impression, I will add the abstract.

Abstract: This paper describes evaluation experiments for visual, acoustic, and haptic

feedback in a virtual obstacle walking scenario applied to gait rehabilitation.

Multiple studies with healthy subjects were carried out using the actuated gait

orthosis Lokomat. Controlled factors for the visual feedback experiment were three

different perspectives and 2D/3D vision. In the acoustic feedback experiment,

controlled factors were rhythmic distance feedback and gradual foot clearance

feedback. For visual and acoustic feedback experiments, outcome was assessed with

task-specific performance parameters and questionnaires. Haptic feedback consisted

of penalty, impulsive, and friction force components and was evaluated using

parameters related to hardness and occurrence of vibrations. Results for visual

feedback indicate that the chosen side perspective is superior to behind and ego

perspectives. It is also shown that 3D vision does not reduce the number of obstacle

hits compared to 2D vision. Furthermore, it is demonstrated that the addition of

continuous acoustic feedback makes subjects walk faster compared to the exclusive

use of visual feedback. The results for haptic feedback indicate that the addition of

impulsive and friction force components leads to harder surfaces and less vibrations.

The main contribution of this paper is the evaluation of multimodal feedback and

consequential optimization of an obstacle scenario for gait rehabilitation.