Directed visual attention and the dynamic control of information flow

Charles H. Anderson; David C. Van Essen; Bruno A. Olshausen

doi:10.1016/B978-012375731-9/50007-0

Directed visual attention and the dynamic control of information flow

Charles H. Anderson, David C. Van Essen, Bruno A. Olshausen

Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review

27 Scopus citations

Abstract

Visual attention is a process that directs a tiny fraction of the information arriving at primary visual cortex to high-level centers involved in visual working memory and pattern recognition. The chapter discusses a framework for modeling this mechanism in that information flow through the visual hierarchy is regulated by dynamic control of connectivity. A key aspect of this model involves the establishment of an object-centered reference frame for visual working memory as well as object recognition. Psychophysical evidence suggests that the size of the reference frame, or region of interest, has a fixed width of about 30 resolution elements. This model is neuro-biologically plausible, supported by several lines of anatomical and physiological data, and suitable for embedding into a larger computational framework for modeling of neural representations and transformations.

Original language	English
Title of host publication	Neurobiology of Attention
Publisher	Elsevier Inc.
Pages	11-17
Number of pages	7
ISBN (Print)	9780123757319
DOIs	https://doi.org/10.1016/B978-012375731-9/50007-0
State	Published - 2005

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AB - Visual attention is a process that directs a tiny fraction of the information arriving at primary visual cortex to high-level centers involved in visual working memory and pattern recognition. The chapter discusses a framework for modeling this mechanism in that information flow through the visual hierarchy is regulated by dynamic control of connectivity. A key aspect of this model involves the establishment of an object-centered reference frame for visual working memory as well as object recognition. Psychophysical evidence suggests that the size of the reference frame, or region of interest, has a fixed width of about 30 resolution elements. This model is neuro-biologically plausible, supported by several lines of anatomical and physiological data, and suitable for embedding into a larger computational framework for modeling of neural representations and transformations.

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Directed visual attention and the dynamic control of information flow

Abstract

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