An Adaptive Cue Selection Model of Allocentric Spatial Reorientation
2021
After becoming disoriented, an organism must use the local environment to reorient and
recover vectors to important locations. A new theory, Adaptive Combination, suggests that
the information from different spatial cues are combined with Bayesian efficiency during
reorientation. To test this further, we modified the standard reorientation paradigm to be more
amenable to Bayesian cue combination analyses while still requiring reorientation in an
allocentric (world-based; not egocentric) frame. 12 adults and 20 children at 5-7 years old
were asked to recall locations in a virtual environment after a disorientation. Results were not
consistent with Adaptive Combination. Instead, they are consistent with the use of the most
useful (nearest) single landmark in isolation. We term this Adaptive Selection. Experiment 2
suggests that adults also use the Adaptive Selection method when they are not disoriented but
still required to use a local allocentric frame. This suggests that the process of recalling a
location in the allocentric frame is typically guided by the single most useful landmark, rather
than a Bayesian combination of landmarks. These results illustrate that there can be important
limits to Bayesian theories of the cognition, particularly for complex tasks such as allocentric
recall.
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