Navigating from a Depth Image Converted into Sound

Figure 5

Navigation performance in the six experimental trials during the first and the second week sessions. Trials 1₁, 1₂, 1₃, and 1₄ are conducted on the same path and trials 2₁ and 2₂ on another one. Cognitive load was added in trials 2 ₂ and 1 ₄. Top panel (a): travel time in seconds (note that the -axis starts from 100 s); middle panel (b): number of contacts with the walls; bottom panel (c): number of U-turns. Error bars represent standard errors of the means. Stars indicate significant differences with ; .

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(b)

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