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Related Experiment Video

Updated: Jun 29, 2026

Holistic Facial Composite Creation and Subsequent Video Line-up Eyewitness Identification Paradigm

Holistic Facial Composite Creation and Subsequent Video Line-up Eyewitness Identification Paradigm

Published on: December 24, 2015

The effect of face orientation on holistic processing.

Catherine J Mondloch¹, Daphne Maurer

¹Department of Psychology, Brock University, 500 Glenridge Avenue, St Catharines, Ontario L2S 3A1, Canada. cmondloch@brocku.ca

|October 16, 2008

Summary

This summary is machine-generated.

Holistic face processing, measured by the composite face effect, declines linearly as faces rotate from upright. This suggests holistic processing is tuned to upright faces and diminishes with inversion.

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Area of Science:

Cognitive Psychology
Neuroscience
Visual Perception

Background:

Holistic processing, crucial for face recognition, is characterized by the composite face effect.
This effect demonstrates difficulty in recognizing facial parts when presented in an intact face configuration.
Holistic processing and facial identity recognition are known to be impaired by face inversion.

Purpose of the Study:

To precisely quantify the impact of face orientation on holistic processing.
To investigate the relationship between face rotation and the composite face effect.

Main Methods:

Adult participants completed the composite face task across seven different face orientations.
Two experimental designs were employed: random intermixing and blocked presentation of orientations.
The magnitude of the composite face effect was measured at each orientation.

Main Results:

A significant linear decrease in the composite face effect was observed as faces deviated from upright.
The composite face effect diminished progressively with increasing rotation.
The effect became negligible at sideways orientations.

Conclusions:

Holistic face processing is optimally tuned to upright faces.
Deviations from upright orientation lead to a graded reduction in holistic processing.
A hierarchical model of face perception is proposed, where declining holistic processing influences other perceptual shifts.