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Supplemental Information

Figure 1 - Front View of Experiment Site

Figure 1 shows the front view of experiment site. A 90m long path was drawn with yellow floor-tape stuck on to the floor. Yellow colour was chosen because it is easier to be detected and recognized for the first-time user. Barricade floor-tape with alternating red and white stripe were taped on both left and right side of the yellow tape. This tape was intended as an indicator for users when they were not focusing at the correct angle. The yellow path guided users from the origin to the target point, where they were expected to perform a specific task.

DOI: 10.7287/peerj.preprints.1289v2/supp-1

Figure 2 - Rear View of Experiment Site

Figure 2 shows the experiment site captured from rear.

DOI: 10.7287/peerj.preprints.1289v2/supp-2

Figure 3 - Course Path Design

Course Path Design shows overall design of the navigation course. The red wavy line indicates the path the user needed to walk along. Obstacles were placed next to, and all along, this path. The green flag indicates the end of the path. When the user reaches the green flag, they were required to perform a task involving object recognition.

DOI: 10.7287/peerj.preprints.1289v2/supp-3

Additional Information

Competing Interests

The authors declare that they have no competing interests.

Author Contributions

Shern Shiou Tan conceived and designed the experiments, performed the experiments, analyzed the data, contributed reagents/materials/analysis tools, wrote the paper, prepared figures and/or tables, performed the computation work, reviewed drafts of the paper.

Tomas Maul conceived and designed the experiments, analyzed the data, contributed reagents/materials/analysis tools, wrote the paper, reviewed drafts of the paper.

Neil Mennie contributed reagents/materials/analysis tools, wrote the paper, reviewed drafts of the paper.

Ethics

The following information was supplied relating to ethical approvals (i.e., approving body and any reference numbers):

1. UNMC Research Ethics Committee

2. TSS200314

Funding

This work was partly supported by the Malaysian Ministry of Higher Education Malaysia (MOHE) under the Fundamental Research Grant Scheme (FRGS). The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.


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