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Visual Agnosia

Visual Agnosia

Visual agnosia is a condition characterized by the inability to recognize visually presented objects despite having normal vision. For instance, a person with visual agnosia can describe the shape and color of an object but cannot identify or name it. This impairment does not affect their visual field, acuity, color vision, brightness discrimination, language, or memory. An example of this condition in a social setting is someone at a dinner party asking for "that silver thing with a round end"...

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Related Experiment Video

Updated: Jun 27, 2026

A Gaze-Contingent Display Framework for Perceptual Learning Research with Simulated Central Vision Loss

A Gaze-Contingent Display Framework for Perceptual Learning Research with Simulated Central Vision Loss

Published on: April 11, 2025

Effects of gaze-aversion on visual-spatial imagination.

Lucy Markson¹, Kevin B Paterson

¹School of Psychology, University of Leicester, Leicester, UK.

British Journal of Psychology (London, England : 1953)

|November 22, 2008

Summary

This summary is machine-generated.

Averting gaze improves cognitive tasks by reducing social interaction. Eye contact disrupts visual-spatial imagination, while gaze aversion or looking elsewhere enhances performance.

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Published on: September 18, 2012

Area of Science:

Cognitive Psychology
Social Neuroscience

Background:

Gaze aversion is known to enhance cognitive task performance in children and adults.
The precise mechanisms by which gaze aversion benefits cognition are still under investigation.

Purpose of the Study:

To investigate the impact of gaze aversion on adults' visual-spatial imagination.
To differentiate between the effects of disengaging visual attention and interrupting social interaction.

Main Methods:

Participants performed a visual-spatial imagination task (mental pathway tracking).
Experimental conditions included maintaining eye contact, closing eyes, or gazing at visual stimuli (static/dynamic, upright/inverted face).
Methodology adapted from Kerr (1987).

Main Results:

Maintaining eye contact with an interlocutor significantly disrupted accurate visual-spatial imagination.
Gaze aversion, eye closure, or focusing on other visual stimuli did not impair performance.
Performance was better when not engaged in face-to-face communication.

Conclusions:

Gaze aversion benefits cognitive performance by reducing interference from social interaction processes.
The findings suggest that direct eye contact activates social communication mechanisms that can hinder tasks requiring focused mental imagery.
Cognitive enhancement through gaze aversion involves more than simply disengaging from visual distractions.