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A NEW THEORY OF VISUAL DETECTION.

Author: W P JR TANNER; J A SWETS; MICHIGAN UNIV ANN ARBOR.
Publisher: Ft. Belvoir Defense Technical Information Center SEP 1953.
Edition/Format:   Print book : English
Summary:
A theory of visual detection is presented in which the visual system is considered a communication channel with internal noise. Experimental results confirmed the role of variables which were not purely sensory. The ability of subjects to detect visual signals was measured in one session in which the probability of signal existence was 0.8 and in a second session in which the probability was 0.4. In the second  Read more...
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Document Type: Book
All Authors / Contributors: W P JR TANNER; J A SWETS; MICHIGAN UNIV ANN ARBOR.
OCLC Number: 227219543
Description: 1 page

Abstract:

A theory of visual detection is presented in which the visual system is considered a communication channel with internal noise. Experimental results confirmed the role of variables which were not purely sensory. The ability of subjects to detect visual signals was measured in one session in which the probability of signal existence was 0.8 and in a second session in which the probability was 0.4. In the second session the actual criteria of seeing changed and the subjects reported seeing things which they were unable to see. The assumptions of this new theory were compared with those of the conventional psychophysical theory.

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Primary Entity

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