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Related Experiment Video

Updated: Feb 28, 2026

Virtual Prism Adaptation Therapy: Protocol for Validation in Healthy Adults

Virtual Prism Adaptation Therapy: Protocol for Validation in Healthy Adults

Published on: February 12, 2020

Prism aftereffects disrupt interlimb rhythmic coordination.

David P Black¹, Michael A Riley

¹Department of Psychology, University of Cincinnati, ML 0376, 429 Dyer Hall, Cincinnati, OH 45221-0376, USA.

Journal of Motor Behavior

|May 8, 2004

Summary

This summary is machine-generated.

Prism exposure disrupts interlimb rhythmic coordination by altering relative phase and increasing variability. These proprioceptive aftereffects generally impair coordinated movements, affecting motor control.

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Area of Science:

Motor control
Neuroscience
Human movement science

Background:

Proprioception is crucial for coordinating limb movements.
Prism adaptation can induce sensory-motor aftereffects.
Understanding these aftereffects is key to grasping motor control mechanisms.

Purpose of the Study:

To investigate the impact of prism-induced proprioceptive aftereffects on interlimb rhythmic coordination.
To quantify changes in relative phase and variability following prism exposure.
To determine if aftereffects are dependent on prism optical displacement magnitude or direction.

Main Methods:

95 participants performed interlimb rhythmic coordination tasks.
Coordination was assessed before and after exposure to prisms with varying optical displacements.
A no-prism control group was included for comparison.

Main Results:

Prism exposure caused significant shifts in relative phase, though not universally across all conditions.
Phase shifts were not consistently related to prism displacement direction or magnitude.
Relative phase variability increased significantly across all prism exposure conditions.
The control group exhibited no changes in coordination.

Conclusions:

Prism-induced proprioceptive aftereffects generally disrupt interlimb rhythmic coordination.
These aftereffects lead to increased movement variability.
The findings highlight the pervasive influence of sensory recalibration on motor control.