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Updated: Feb 19, 2026

Characterization of the Sense of Agency over the Actions of Neural-machine Interface-operated Prostheses

Characterization of the Sense of Agency over the Actions of Neural-machine Interface-operated Prostheses

Published on: January 7, 2019

Motion perception with visual prostheses.

Kai T Renshaw^1,2, John S Pezaris^2,3

¹Tufts University School of Medicine, Boston, MA, United States of America.

Progress in Biomedical Engineering (Bristol, England)

|February 17, 2026

Summary

This summary is machine-generated.

Visual prostheses aim to restore sight by stimulating the brain. While promising for motion perception, challenges like gaze control and machine vision integration remain for these visual aids.

Keywords:

artificial vision frontoparallel motion gaze contingency looming detection phosphenes

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Area of Science:

Neuroscience and Biomedical Engineering
Restoration of Vision and Sensory Substitution

Background:

Visual prostheses use electrode arrays in visual pathways (retina, thalamus, cortex) to restore vision.
These devices convert camera input into electrical stimulation, creating phosphenes to represent the visual world.

Purpose of the Study:

To review current research on motion perception in various visual prosthesis modalities.
To discuss the advantages, limitations, and future challenges in enhancing motion perception for users.

Main Methods:

Review of existing studies on motion perception with retinal and cortical visual prostheses.
Analysis of device capabilities and user-reported experiences related to visual processing.

Main Results:

Retinal and cortical visual prostheses demonstrate potential for improving motion perception.
Significant challenges persist, including gaze contingency, machine vision integration, and higher-order visual processing.

Conclusions:

Despite current limitations, ongoing research offers substantial optimism for restoring functional vision.
Further advancements are needed to overcome challenges and improve motion perception in visual prosthesis users.