Optimal exploration strategies in haptic search

V. van Polanen, W.M. Bergmann Tiest, N. Creemers, M.J. Verbeek, A.M.L. Kappers

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    In this study, we have investigated which strategies were optimal in different haptic search tasks, where items were held in the hand. Blindfolded participants had to detect the presence of a target among distractors while using predetermined strategies. The optimal strategy was determined by considering reaction time and error data. In the search for salient targets, a rough sphere among smooth or a cube among spheres, parallel strategies were optimal. With non-salient targets, the results were different. In the search for a sphere among cubes, a parallel strategy was effective, but only if the fingers could be used. In the search for a smooth sphere among rough, only a serial strategy was successful. Thus, the optimal strategy depended on the required perceptual information.
    Original languageEnglish
    Pages (from-to)185-191
    JournalLecture Notes in Computer Science
    Issue number8618
    Publication statusPublished - 2014


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