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Related Experiment Video

Updated: Jun 13, 2026

Measuring Sensitivity to Viewpoint Change with and without Stereoscopic Cues

Measuring Sensitivity to Viewpoint Change with and without Stereoscopic Cues

Published on: December 4, 2013

Mirror-image confusions: Implications for representation and processing of object orientation.

Emma Gregory¹, Michael McCloskey

¹Department of Cognitive Science, Johns Hopkins University, MD, United States. gregory@cogsci.jhu.edu

|May 15, 2010

Summary

This summary is machine-generated.

Humans often confuse mirror images, but new research shows these errors primarily reflect object axes, not external ones. This finding supports a new model of object orientation representation.

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Area of Science:

Cognitive Psychology
Neuroscience
Visual Perception

Background:

Understanding object orientation is crucial for real-world interaction.
Mirror-image confusion is a known phenomenon but poorly understood.
Previous studies lacked adequate stimuli to analyze error types.

Purpose of the Study:

Investigate the nature of mirror-image confusion.
Determine what this confusion reveals about mental object orientation representations.
Test the Coordinate-System Orientation Representation (COR) hypothesis.

Main Methods:

Conducted experiments where participants reported object orientations.
Analyzed types of orientation errors, focusing on mirror-reflection errors.
Compared experimental results with existing hypotheses.

Main Results:

Mirror-reflection errors were the most frequent orientation errors.
The majority of mirror-image errors involved reflection across an object's intrinsic axis.
Findings contradicted previous descriptions of mirror-image confusion.

Conclusions:

Results challenge existing hypotheses on mirror-image confusion.
The Coordinate-System Orientation Representation (COR) hypothesis explains the observed errors.
Object orientation representations are compositional and rely on object-centered frames.