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Visual PsychophysicsFrom Laboratory to Theory$
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Zhong-Lin Lu and Barbara Dosher

Print publication date: 2013

Print ISBN-13: 9780262019453

Published to MIT Press Scholarship Online: May 2014

DOI: 10.7551/mitpress/9780262019453.001.0001

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Understanding Human Visual Function with Psychophysics

Understanding Human Visual Function with Psychophysics

Chapter:
(p.3) 1 Understanding Human Visual Function with Psychophysics
Source:
Visual Psychophysics
Author(s):

Zhong-Lin Lu

Barbara Dosher

Publisher:
The MIT Press
DOI:10.7551/mitpress/9780262019453.003.0001

Humans are visual creatures. The amazing abilities of human vision far exceed the capabilities of the most sophisticated machines and may inspire new machine design. Human visual capabilities and processes can only be known through an interdisciplinary approach that combines visual psychophysics, understanding of brain responses, and computational models of visual function. Visual psychophysics studies the relationship between the physical stimulus in the outside world and how that is connected to human performance. It has played a central role in the understanding of human visual capabilities and the brain. In addition, the assessment of human vision through applications of human visual psychophysics has been the core discipline behind the design of standards for visual devices and has many other practical applications.

Keywords:   Vision science, Visual system, Visual environment, Human perception, Assessing visual functions, Psychophysical approaches, Scaling, Sensitivity, Neuropsychophysics

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