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Border ownership from intracortical interactions in visual area V2

Zhaoping, L; (2005) Border ownership from intracortical interactions in visual area V2. NEURON , 47 (1) 143 - 153. 10.1016/j.neuron.2005.04.005. Green open access

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Abstract

A border between two image regions normally belongs to only one of the regions; determining which one it belongs to is essential for surface perception and figure-ground segmentation. Border ownership is signaled by a class of V2 neurons, even though its value depends on information coming from well outside their classical receptive fields. I use a model of V2 to show that this visual area is able to generate the ownership signal by itself, without requiring any top-down mechanism or external explicit labels for figures, T junctions, or corners. In the model, neurons have spatially local classical receptive fields, are tuned to orientation, and receive information (from V1) about the location and orientation of borders. Border ownership signals that model physiological observations arise through finite range, intraareal interactions. Additional effects from surface features and attention are discussed. The model licenses testable predictions.

Type: Article
Title: Border ownership from intracortical interactions in visual area V2
Open access status: An open access version is available from UCL Discovery
DOI: 10.1016/j.neuron.2005.04.005
Keywords: CONTRAST POLARITY, CORTICAL AREAS, CORTEX, MONKEY, V1, INTEGRATION, MODEL, ATTENTION, NEURONS, CONTEXT
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
URI: https://discovery.ucl.ac.uk/id/eprint/13395
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