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Related Experiment Video

Updated: May 12, 2026

Using Unidirectional Rotations to Improve Vestibular System Asymmetry in Patients with Vestibular Dysfunction

Using Unidirectional Rotations to Improve Vestibular System Asymmetry in Patients with Vestibular Dysfunction

Published on: August 30, 2019

Does stimulus order affect central tendency and serial dependence in vestibular path integration?

Sophie C M J Willemsen¹, Leonie Oostwoud Wijdenes¹, Robert J van Beers^1,2

¹Department of Sensorimotor Neuroscience, Radboud University, Donders Institute for Brain, Cognition and Behaviour, Nijmegen 6525 GD, the Netherlands.

|February 20, 2026

Summary

Perception of self-motion relies on robust neural strategies. Biases in reproducing perceived distances, like central tendency and serial dependence, remain consistent even with varying stimulus autocorrelation.

Keywords:

Biological sciences Clinical neuroscience Natural sciences neuroscience

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Area of Science:

Neuroscience
Perception Psychology
Human Factors

Background:

Perceived stimuli reproduction is influenced by central tendency and serial dependence biases.
Understanding how stimulus autocorrelation affects these biases in self-motion perception is crucial.

Purpose of the Study:

To investigate the impact of stimulus autocorrelation on central tendency and serial dependence in path integration.
To determine if these perceptual biases are robust to changes in stimulus predictability.

Main Methods:

Twenty-four participants completed a vestibular distance reproduction task.
Two conditions were employed: high stimulus autocorrelation (random walk) and no autocorrelation (random shuffle).
Biases were quantified using linear and multiple regression models, considering stimulus autocorrelation.

Main Results:

Initial analysis suggested weaker central tendency and reversed serial dependence in the high autocorrelation condition.
However, a joint multiple regression model revealed these differences were not significant.
Both central tendency and serial dependence biases persisted across conditions.

Conclusions:

Central tendency and serial dependence are robust biases in self-motion perception.
These perceptual biases remain consistent regardless of stimulus autocorrelation.
Findings indicate stable neural strategies underlying self-motion perception.