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Related Experiment Video

Updated: Jun 17, 2026

Generating Strictly Controlled Stimuli for Figure Recognition Experiments

Generating Strictly Controlled Stimuli for Figure Recognition Experiments

Published on: March 18, 2019

Configural processing of different topologically structured figures: an ERP study.

JunJun Zhang¹, WeiNa Zhu, XiaoJun Ding

¹Laboratory of Mind, Art and Computation, Xiamen University, Xiamen, China.

Science in China. Series C, Life Sciences

|December 18, 2009

Summary

This summary is machine-generated.

Visual perception research shows that figures with "holes" are processed differently than those without. This study used event-related potentials (ERPs) to reveal distinct neural responses, suggesting "holes" engage configural processing.

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Area of Science:

Cognitive Neuroscience
Visual Perception
Psychology

Background:

Chen's theory posits topological differences are perceived faster than feature differences in early visual processing.
Topological perception may stem from sensitivity to discriminating figures with and without "holes".

Purpose of the Study:

To investigate differences in perceiving figures with and without "holes" using an event-related potential (ERP) experiment.
To test the hypothesis that topological perception is linked to discriminating figures with "holes".

Main Methods:

A passive event-related potential (ERP) experiment was employed.
Participants passively viewed figures with and without "holes".

Main Results:

Significant differences in the N170 component were observed between figures with "holes" and without.
Inverting a "hole" affected N170 latency, unlike inverting a "no-hole" figure.
This suggests global features are prioritized in "hole" perception, while local features are prioritized in "no-hole" perception.

Conclusions:

"Hole" perception appears to involve configural processing, similar to face and non-face object recognition.
The findings support the idea that topological perception relies on specific neural mechanisms distinct from simple feature detection.