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Related Experiment Video

Updated: Jun 28, 2026

Using Looming Visual Stimuli to Evaluate Mouse Vision

Using Looming Visual Stimuli to Evaluate Mouse Vision

Published on: June 13, 2019

Visual neuroscience: retinotopy meets percept-otopy?

Alexander C Huk¹

¹Neurobiology and Center for Perceptual Systems, The University of Texas at Austin, Austin, TX 78715, USA. huk@mail.utexas.edu

Current Biology : CB

|November 13, 2008

Summary

Visual illusions impacting perceived size also alter brain activity maps in the primary visual cortex. These brain maps may represent perceived object size, not just physical size.

Area of Science:

Neuroscience
Visual Perception
Neuroimaging

Background:

The primary visual cortex (V1) in mammals creates a spatial map of visual input.
Understanding how V1 represents visual information is crucial for deciphering brain function.

Discussion:

This study investigates the relationship between visual illusions, perceived size, and neural activity patterns in the primary visual cortex.
Findings suggest that V1 representations are modulated by subjective visual experiences, such as illusions altering perceived size.

Key Insights:

Neural representations in the primary visual cortex appear to correlate with perceived size, influenced by visual illusions.
Spatial activity patterns within V1 may encode subjective visual perception rather than solely objective stimulus properties.

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Outlook:

Future research could explore the mechanisms by which perceived size influences V1 activity.
This work opens avenues for understanding the neural basis of visual illusions and subjective perception.