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602

Title *

Does ‘virtuality’ affect the role of prior expectations in perception and action? Comparing predictive grip and lifting forces in real and virtual environmentsuse asterix (*) to get italics

Authors *

David J. Harris, Tom Arthur, & Gavin BuckinghamPlease use the format "First name initials family name" as in "Marie S. Curie, Niels H. D. Bohr, Albert Einstein, John R. R. Tolkien, Donna T. Strickland"

Year *

2024

Picture

Abstract *

<p>Recent theories in cognitive science propose that prior expectations strongly influence how individuals perceive the world and control their actions. This influence is particularly relevant in novel sensory environments, such as virtual reality (VR). This registered report outlines a study examining the impact of VR on prediction-related sensory perception and motor control during object lifting. We aim to test two competing hypotheses: the Low-Precision Priors (LPP) hypothesis suggests reduced influence of prior expectations in VR due to the novelty and uncertainty of the context, while the High-Precision Priors (HPP) hypothesis posits increased reliance on predictions relative to current sensory information due to sensory uncertainty. We will employ weight illusion tasks (the size-weight and material-weight illusions) to isolate the effects of expectations on perception and action to test whether VR alters the influence of prior expectations on weight perception and fingertip forces. This research addresses crucial questions about how virtual environments impact predictive sensorimotor control and has implications for applications of VR technologies to training and rehabilitation.</p>

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Keywords (optional)

virtual reality; prior; size-weight illusion; motor learning

Methods that require specific expertise (optional)

NonePlease indicate the methods that may require specialised expertise during the peer review process (use a comma to separate various required expertises).

Thematic fields *

Life Sciences

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e.g. John Doe john@doe.com

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Submission date

2023-11-22 12:25:57

Recommender

Robert McIntosh

Reviewers

Ben van Buren

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