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Related Experiment Video

Updated: May 7, 2026

Eye Tracking During Visually Situated Language Comprehension: Flexibility and Limitations in Uncovering Visual Context Effects

Eye Tracking During Visually Situated Language Comprehension: Flexibility and Limitations in Uncovering Visual Context Effects

Published on: November 30, 2018

The "side" matters: how configurality is reflected in completion.

Naoki Kogo¹, Johan Wagemans

¹a Laboratory of Experimental Psychology , University of Leuven , Belgium.

Cognitive Neuroscience

|October 1, 2013

Summary

This summary is machine-generated.

Completion phenomenon arises from figure-ground organization, not just boundary alignment. Global neural network interactions activate border-ownership neurons, creating illusory contours and Gestalt percepts.

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Area of Science:

Cognitive Neuroscience
Computational Vision
Perceptual Psychology

Background:

Figure-ground organization is context-dependent.
Completion phenomenon is linked to figure-ground organization.
Existing computational models often use problematic boundary alignment algorithms.

Purpose of the Study:

To propose a new hypothesis for the completion phenomenon.
To link completion to the computation of figure-ground organization.
To explain the generation of illusory contours.

Main Methods:

Critique of existing borderline completion algorithms.
Hypothesizing a model based on global neural network interactions.
Identifying "border-ownership" sensitive neurons.

Main Results:

Completion is a result of computing figure-ground organization.
Global interactions activate "border-ownership" neurons without luminance contrast.
This activation explains the perception of illusory contours.

Conclusions:

The proposed model offers a novel explanation for completion and illusory contours.
Highlights the role of global interactions in perceptual organization.
Discusses implications for emergent Gestalt percepts.