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Muryy, A. and Glennerster, A. 
ORCID: https://orcid.org/0000-0002-8674-2763
(2018)
Pointing errors in non-metric virtual environments.
Lecture Notes in Computer Science, 11034.
pp. 43-57.
ISSN 0302-9743
doi: 10.1007/978-3-319-96385-3_4
Abstract/Summary
There have been suggestions that human navigation may depend on representations that have no metric, Euclidean interpretation but that hypothesis remains contentious. An alternative is that observers build a consistent 3D representation of space. Using immersive virtual reality, we measured the ability of observers to point to targets in mazes that had zero, one or three ‘wormholes’ – regions where the maze changed in configuration (invisibly). In one model, we allowed the configuration of the maze to vary to best explain the pointing data; in a second model we also allowed the local reference frame to be rotated through 90, 180 or 270 degrees. The latter model outperformed the former in the wormhole conditions, inconsistent with a Euclidean cognitive map.
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