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Systems-Level Neuronal Modeling of Visual Attentional Mechanisms

Systems-Level Neuronal Modeling of Visual Attentional Mechanisms We review different functions involved in visual perception that have been integrated by a model based on the biased competition hypothesis. Attentional top-down bias guides the dynamics to concentrate at a given spatial location or on given features. The model integrates, in a unifying form, the explanation of several existing types of experimental data obtained at different levels of investigation. At the microscopic level, single cell recordings are simulated. At the mesoscopic level of cortical areas, results of functional magnetic resonance imaging (fMRI) studies are reproduced. Finally, at the macroscopic level, psychophysical experiments like visual search tasks are also described by the model. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Artificial Intelligence Review Springer Journals

Systems-Level Neuronal Modeling of Visual Attentional Mechanisms

Artificial Intelligence Review , Volume 20 (2) – Oct 10, 2004

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References (37)

Publisher
Springer Journals
Copyright
Copyright © 2003 by Kluwer Academic Publishers
Subject
Computer Science; Artificial Intelligence (incl. Robotics); Computer Science, general
ISSN
0269-2821
eISSN
1573-7462
DOI
10.1023/A:1026028429257
Publisher site
See Article on Publisher Site

Abstract

We review different functions involved in visual perception that have been integrated by a model based on the biased competition hypothesis. Attentional top-down bias guides the dynamics to concentrate at a given spatial location or on given features. The model integrates, in a unifying form, the explanation of several existing types of experimental data obtained at different levels of investigation. At the microscopic level, single cell recordings are simulated. At the mesoscopic level of cortical areas, results of functional magnetic resonance imaging (fMRI) studies are reproduced. Finally, at the macroscopic level, psychophysical experiments like visual search tasks are also described by the model.

Journal

Artificial Intelligence ReviewSpringer Journals

Published: Oct 10, 2004

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