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Related Experiment Video

Updated: Jun 4, 2026

Investigating Object Representations in the Macaque Dorsal Visual Stream Using Single-unit Recordings

Investigating Object Representations in the Macaque Dorsal Visual Stream Using Single-unit Recordings

Published on: August 1, 2018

Representation of object continuity in the visual cortex.

Philip O'Herron¹, Rüdiger von der Heydt

¹Krieger Mind/Brain Institute and Department of Neuroscience, Johns Hopkins University, Baltimore, MD 21218, USA. poherro1@jhmi.edu

Journal of Vision

|February 24, 2011

Summary

The visual system creates internal object representations for continuity. Border-ownership neurons in the visual cortex initially signal new objects but maintain prior assignments even with conflicting cues, suggesting a role in object continuity.

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Area of Science:

Neuroscience
Visual Perception
Cognitive Science

Background:

The human visual system excels at object detection and tracking amidst continuous retinal image changes.
Theories suggest persistent internal representations maintain object continuity across visual input variations.
The neural mechanisms underlying the formation of these representations remain largely unknown.

Purpose of the Study:

To investigate the neural basis of object continuity in the visual cortex.
To examine the temporal dynamics of border-ownership-selective neurons' responses to object continuity displays.

Main Methods:

Utilized visual cortex neurons selective for border ownership.
Presented stimuli designed to depict object continuity and re-assignment scenarios.
Recorded and analyzed neuronal responses to assess the time course of border ownership signaling.

Main Results:

Border-ownership neurons immediately signal border ownership upon the appearance of new objects.
When a border's ownership is re-assigned, initial neuronal responses persist despite conflicting figure-ground cues.
These neurons continue to signal the initial border assignment, indicating resistance to immediate updates.

Conclusions:

Border ownership selectivity in visual cortex neurons may reflect mechanisms essential for maintaining object continuity.
Neuronal persistence in signaling initial assignments suggests a role in stabilizing object perception.
Findings provide insights into how the brain constructs and maintains stable object representations from dynamic visual input.