Assessing human reorientation ability inside virtual reality environments: the effects of retention interval and landmark characteristics |
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Authors: | Andrea Bosco Luciana Picucci Alessandro O Caffò Giulio E Lancioni Valérie Gyselinck |
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Institution: | (1) Dipartimento di Psicologia, Università di Bari, P.zza Umberto I, 1, 70100 Bari, Italy;(2) Université René Descartes, Paris, France |
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Abstract: | The purpose of the present study was to assess the navigational behaviour of adult humans following a disorientation procedure
that perturbed their egocentric frame of reference. The assessment was carried out in a virtual reality (VR) environment by
manipulating the disorientation procedure, the retention interval, the relative positions of target and landmark. The results
of experiment I demonstrated that adding a physical rotation to a virtual disorientation procedure did not yield an additional
decrease in searching performance. The results of experiment II showed that shortening the delay between study and test phase
decreased the errors more markedly for geometric than landmark ones. An orientation specificity effect due to the manipulation
of the relative position between target and landmark was discussed across the experiments. In conclusion, VR seemed to be
a valuable method for studying human reorientation. Moreover, the virtual experimental setting involved here promoted knowledge
of the relationship between working memory and spatial reorientation paradigm. |
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Keywords: | Reorientation Virtual environments Navigation Orientation specificity effect Retention interval |
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