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Related Experiment Video

Updated: Apr 20, 2026

Stimulus-specific Cortical Visual Evoked Potential Morphological Patterns

Stimulus-specific Cortical Visual Evoked Potential Morphological Patterns

Published on: May 12, 2019

Predictive coding for motion stimuli in human early visual cortex.

Wouter Schellekens¹, Richard J A van Wezel^2,3, Natalia Petridou⁴

¹Brain Center Rudolf Magnus, UMC Utrecht, Str. 4.205, Postbus 85060, 3508 AB, Utrecht, The Netherlands. w.schellekens@umcutrecht.nl.

Brain Structure & Function

|December 3, 2014

Summary

This summary is machine-generated.

Early visual cortex uses predictive coding to process motion. Enhanced brain responses occur with unexpected motion, while expected motion shows suppressed activity, aiding stable perception.

Keywords:

High-field fMRI Motion suppression Predictive coding Visual cortex Visual motion

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Stimulus-specific Cortical Visual Evoked Potential Morphological Patterns

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Area of Science:

Neuroscience
Visual Perception
Computational Neuroscience

Background:

Previous research suggests visual motion processing involves prediction.
Biased responses at motion trailing edges hint at predictability's role.

Purpose of the Study:

To investigate predictive coding in early visual areas (V1, V2, V3) for motion.
To differentiate predictive coding from other neural mechanisms in motion perception.

Main Methods:

High-field functional magnetic resonance imaging (fMRI) was employed.
Brain activation was measured during predictable and unpreceded motion stimuli.

Main Results:

Unpreceded motion at the trailing edge enhanced BOLD responses.
Predictable motion at the leading edge suppressed BOLD responses.
Alternative explanations like attention and receptive field effects were ruled out.

Conclusions:

Evidence supports predictive coding mechanisms in early visual cortex for motion.
Predictive coding contributes to stable visual perception from dynamic input.