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Updated: May 17, 2026

Holistic Facial Composite Creation and Subsequent Video Line-up Eyewitness Identification Paradigm
Published on: December 24, 2015
The composite-face effect survives asymmetric face distortions
Adélaïde de Heering1, Jessica Wallis, Daphne Maurer
1Visual Development Lab, Department of Psychology, Neuroscience & Behaviour, McMaster University, 1280 Main Street West, Hamilton, ON L8S 4L8, Canada. adelaide.deheering@uclouvain.be
Adults use holistic face processing, treating faces as wholes, even when their features are significantly distorted. This suggests our brains maintain face recognition despite violations in typical facial structure.
Area of Science:
- Cognitive psychology
- Visual perception
- Human face recognition
Background:
- The composite-face effect demonstrates that faces are processed holistically.
- It is unclear if this holistic processing persists when faces violate fundamental structural rules (first-order relations).
Purpose of the Study:
- To investigate if adults employ holistic face processing for faces with distorted first-order relations.
- To determine if the composite-face effect is maintained when facial features are asymmetrically displaced.
Main Methods:
- Two experiments were conducted using a composite-face effect paradigm.
- Participants judged the similarity of sequentially presented face halves (normal and distorted).
- Distortions involved asymmetrical eye displacement, violating first-order relations.
Main Results:
- A significant composite-face effect was observed across all conditions (normal, one-eye, two-eyes distortion).
- The magnitude of the composite-face effect did not differ between normal and distorted faces.
- This effect persisted regardless of whether trials were blocked or intermixed.
Conclusions:
- Adults continue to process faces holistically, even when their first-order relations are grossly distorted.
- Holistic face perception appears robust to significant violations of canonical facial structure.
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