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A theory of visual attention.

¹Psychological Laboratory, Copenhagen University, Denmark.

Psychological Review

|October 1, 1990

Summary

A new unified theory integrates visual recognition and attentional selection models. This race model framework offers a tractable mathematical approach to understanding how we select information and explains diverse experimental findings.

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Area of Science:

Cognitive Psychology
Computational Neuroscience
Visual Perception

Background:

Existing models separately address single-stimulus recognition and multi-element display selection.
A unified framework is needed to explain the interplay between recognition and attention.

Purpose of the Study:

To develop a unified mathematical theory of visual recognition and attentional selection.
To integrate established models into a coherent race model framework.

Main Methods:

Integration of the biased-choice model (single-stimulus) and a choice model (multi-element displays).
Development of a race model framework specifying selection computations.
Application and quantitative testing against diverse experimental data.

Main Results:

The unified theory provides a mathematically tractable framework.
The model successfully explains findings across various paradigms, including selective report, divided attention, focused attention, partial report, and visual search.
Quantitative fits to existing data are encouraging.

Conclusions:

The developed unified theory offers a robust explanation for visual recognition and attentional selection.
The race model framework provides a computational account of information selection processes.
The theory's broad applicability across experimental paradigms supports its validity.

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