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How does horizontal and vertical navigation influence spatial memory of multifloored environments?

Abstract : Although a number of studies have been devoted to 2-D navigation, relatively little is known about how the brain encodes and recalls navigation in complex multifloored environments. Previous studies have proposed that humans preferentially memorize buildings by a set of horizontal 2-D representations. Yet this might stem from the fact that environments were also explored by floors. Here, we have investigated the effect of spatial learning on memory of a virtual multi-floored building. Two groups of 28 participants watched a computer movie that showed either a route along floors one at a time or travel between floors by simulated lifts, consisting in both cases of a 2-D trajectory in the vertical plane. To test recognition, the participants viewed a camera movement that either replicated a segment of the learning route (familiar segment) or did not (novel segment—i.e., shortcuts). Overall, floor recognition was not reliably superior to column recognition , but learning along a floor route produced a better spatial memory performance than did learning along a column route. Moreover, the participants processed familiar segments more accurately than novel ones, not only after floor learning, but crucially, also after column learning, suggesting a key role of the observation mode on the exploitation of spatial memory.
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Submitted on : Tuesday, May 9, 2017 - 11:36:53 AM
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Thibault, Pasqualoto, Vidal et...
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Guillaume Thibault, Achille Pasqualotto, Manuel Vidal, Jacques Droulez, Alain Berthoz. How does horizontal and vertical navigation influence spatial memory of multifloored environments?. Attention, Perception, and Psychophysics, 2013, 25, pp.3333 - 15. ⟨10.3758/s13414-012-0405-x⟩. ⟨hal-01519759⟩



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