CNS Articles

Articles listed below focus on analysis and applications of neural network systems originally developed by CELEST faculty, including ART, ARTMAP, and BCS/FCS.

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A neural model of 3D shape-from-texture: Multiple-scale filtering, boundary grouping, and surface filling-in (2007)
Categories Topics: Image Analysis, Models: Boundary Contour System,
Author(s) Grossberg, S. | Kuhlmann, L. | Mingolla, E. |
Abstract A neural model is presented of how cortical areas V1, V2, and V4 interact to convert a textured 2D image into a representation of curved 3D shape. Two basic problems are solved to achieve this: (1) Patterns of spatially ...

Towards a unified theory of neocortex: Laminar cortical circuits for vision and cognition (2007)
Categories Topics: Biological Vision, Models: Modified ART,
Author(s) Grossberg, S. |
Abstract A key goal of computational neuroscience is to link brain mechanisms to behavioral functions. The present article describes recent progress towards explaining how laminar neocortical circuits give rise to biological ...

Consciousness CLEARS the mind (2007)
Categories Topics: Biological Learning, Models: Modified ART,
Author(s) Grossberg, S. |
Abstract A full understanding of consciousness requires that we identify the brain processes from which conscious experiences emerge. What are these processes, and what is their utility in supporting successful adaptive behaviors? ...

Space, time, and learning in the hippocampus: How fine spatial and temporal scales are expanded into population codes for behavioral control (2007)
Categories Topics: Biological Learning,
Author(s) Gorchetchnikov, A. | Grossberg, S. |
Abstract The hippocampus participates in multiple functions, including spatial navigation, adaptive timing and declarative (notably, episodic) memory. How does it carry out these particular functions? The present article proposes ...

Laminar cortical dynamics of visual form and motion interactions during coherent object motion perception (2007)
Categories Topics: Biological Vision,
Author(s) Berzhanskaya, J. | Grossberg, S. | Mingolla, E. |
Abstract How do visual form and motion processes cooperate to compute object motion when each process separately is insufficient? Consider, for example, a deer moving behind a bush. Here the partially occluded fragments of motion ...

Texture segregation by visual cortex: Perceptual grouping, attention, and learning (2007)
Categories Topics: Image Analysis, Models: Modified ART, Boundary Contour System,
Author(s) Bhatt, R. | Carpenter, G.A. | Grossberg, S. |
Abstract A neural model called dARTEX is proposed of how laminar interactions in the visual cortex may learn and recognize object texture and form boundaries. The model unifies five interacting processes: region-based texture ...

Default ARTMAP 2 (2007)
Categories Topics: Machine Learning, Models: ARTMAP, Modified ART,
Author(s) Amis, G.P. | Carpenter, G.A. |
Abstract Default ARTMAP combines winner-take-all category node activation during training, distributed activation during testing, and a set of default parameter values that define a ready-to-use, general-purpose neural network system ...

CONFIGR: A vision-based model for long-range figure completion (2007)
Categories Topics: Image Analysis, Models: Boundary Contour System, Other,
Author(s) Carpenter, G.A. | Gaddam, C.S. | Mingolla, E. |
Abstract CONFIGR (CONtour FIgure GRound) is a computational model based on principles of biological vision that completes sparse and noisy image figures. Within an integrated vision/recognition system, CONFIGR posits an initial ...

Neural dynamics of autistic behaviors: Cognitive, emotional, and timing substrates (2006)
Categories Topics: Biological Learning, Models: Modified ART,
Author(s) Grossberg, S. | Seidman, D. |
Abstract What brain mechanisms underlie autism, and how do they give rise to autistic behavioral symptoms? This article describes a neural model, called the Imbalanced Spectrally Timed Adaptive Resonance Theory (iSTART) model, that ...

A neural model of surface perception: Lightness, anchoring, and filling-in (2006)
Categories Topics: Biological Vision,
Author(s) Grossberg, S. | Hong, S. |
Abstract A neural model is proposed of how the visual system processes natural images under variable illumination conditions to generate surface lightness percepts. Previous models clarify how the brain can compute relative contrast. ...

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