J. Negen
The Difficulty of Effectively Using Allocentric Prior Information in a Spatial Recall Task
Negen, J.; Bird, L.A.; King, E.; Nardini, M.
Authors
Laura-Ashleigh Bird laura-ashleigh.bird@durham.ac.uk
PGR Student Doctor of Philosophy
E. King
Professor Marko Nardini marko.nardini@durham.ac.uk
Professor
Abstract
Prior information represents the long-term statistical structure of an environment. For example, colds develop more often than throat cancer, making the former a more likely diagnosis for a sore throat. There is ample evidence for effective use of prior information during a variety of perceptual tasks, including the ability to recall locations using an egocentric (self-based) frame. However, it is not yet known if people can use prior information effectively when using an allocentric (world-based) frame. Forty-eight adults were shown sixty sets of three target locations in a sparse virtual environment with three beacons. The targets were drawn from one of four prior distributions. They were then asked to point to the targets after a delay and a change in perspective. While searches were biased towards the beacons, we did not find any evidence that participants successfully exploited the prior distributions of targets. These results suggest that allocentric reasoning does not conform to normative Bayesian models: we saw no evidence for use of priors in our cognitively-complex (allocentric) task, unlike in previous, simpler (egocentric) recall tasks. It is possible that this reflects the high biological cost of processing precise allocentric information.
Citation
Negen, J., Bird, L., King, E., & Nardini, M. (2020). The Difficulty of Effectively Using Allocentric Prior Information in a Spatial Recall Task. Scientific Reports, 10, Article 7000. https://doi.org/10.1038/s41598-020-62775-5
Journal Article Type | Article |
---|---|
Acceptance Date | Mar 10, 2020 |
Online Publication Date | Apr 24, 2020 |
Publication Date | 2020 |
Deposit Date | Mar 24, 2020 |
Publicly Available Date | May 5, 2020 |
Journal | Scientific Reports |
Electronic ISSN | 2045-2322 |
Publisher | Nature Research |
Peer Reviewed | Peer Reviewed |
Volume | 10 |
Article Number | 7000 |
DOI | https://doi.org/10.1038/s41598-020-62775-5 |
Public URL | https://durham-repository.worktribe.com/output/1274195 |
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