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Updated: Jun 25, 2025

MPI CyberMotion Simulator: Implementation of a Novel Motion Simulator to Investigate Multisensory Path Integration in Three Dimensions

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Modality-specific effects of threat on self-motion perception.

Shira Hacohen-Brown¹, Eva Gilboa-Schechtman^1,2, Adam Zaidel³

¹Gonda Multidisciplinary Brain Research Center, Bar-Ilan University, 5290002, Ramat Gan, Israel.

|May 23, 2024

Summary

This summary is machine-generated.

Threat impacts self-motion perception differently across senses. Vestibular self-motion is overestimated, while visual self-motion is underestimated, especially with higher trait anxiety.

Keywords:

Attentional capture Multisensory Trait anxiety Vestibular Visual

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Area of Science:

Neuroscience
Psychology
Sensory Perception

Background:

Threat perception biases environmental stimuli processing.
The impact of threat on self-motion perception remains largely unexplored.
Individual differences in threat processing are well-documented.

Purpose of the Study:

To investigate how threat influences the perception of one's own body-based self-motion.
To examine modality-specific effects of threat on vestibular and visual self-motion perception.

Main Methods:

Utilized a multisensory motion simulator.
Presented concurrent threatening or neutral auditory stimuli.
Measured self-motion perception across vestibular and visual modalities.

Main Results:

Threat led to overestimation of vestibular self-motion.
Threat resulted in underestimation of visual self-motion.
Trait anxiety correlated with an enhanced threat effect on self-motion estimates.

Conclusions:

Threat induces modality-specific biases in self-motion perception.
Enhanced vestibular perception under threat may involve shared neural pathways with emotion processing.
Diminished visual self-motion perception under threat could be due to attentional shifts away from optic flow.