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Updated: Jul 3, 2026

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Visualization Method for Proprioceptive Drift on a 2D Plane Using Support Vector Machine
Published on: October 27, 2016
Perceptual centering of body segment orientation
1Legacy Research Center, 1225 NE 2nd Ave, Portland, OR 97232, USA. douglas.hanes@gmail.com
Summary
Human perception of orientation can be modeled using mathematical transformations. This study generalizes perceptual centering transformations, predicting illusions in spaceflight and terrestrial environments.
Area of Science:
- Neuroscience
- Perception Science
- Mathematical Psychology
Background:
- Human subjects can experience distinct orientation illusions from sensory stimuli.
- Multistable illusory perceptions can be described by perceptual transformations.
- Previous work applied a semigroup of perceptual centering transformations to visual vection data.
Purpose of the Study:
- Generalize the approach to characterize perceptual transformations mathematically.
- Reveal the mathematical process of perceptual semigroup formation and evaluation.
- Predict potential perceptual illusions in spaceflight based on terrestrial findings.
Main Methods:
- Reviewing and generalizing previously obtained results on perceptual centering.
- Presenting the mathematical framework for characterizing perceptual transformations.
- Deducing the complete description of a perceptual semigroup.
Main Results:
- A generalized mathematical framework for perceptual transformations is presented.
- The complete description of a previously constructed perceptual semigroup is deduced.
- Terrestrial perceptual centering transformations are shown to predict spaceflight illusions.
Conclusions:
- The developed framework is widely applicable for understanding perceptual illusions, especially those guided by preferred constructs.
- The study elucidates the mathematical formation and evaluation of perceptual semigroups.
- Findings suggest astronauts may misperceive visual rotation axes, impacting orientation perception in spaceflight.
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