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Normal and Defective Colour Vision$
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John D. Mollon, Joel Pokorny, and Ken Knoblauch

Print publication date: 2003

Print ISBN-13: 9780198525301

Published to Oxford Scholarship Online: April 2010

DOI: 10.1093/acprof:oso/9780198525301.001.0001

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PRINTED FROM OXFORD SCHOLARSHIP ONLINE (oxford.universitypressscholarship.com). (c) Copyright Oxford University Press, 2021. All Rights Reserved. An individual user may print out a PDF of a single chapter of a monograph in OSO for personal use. date: 20 October 2021

Stimulus Duration Affects Rod Influence on Hue Perception

Stimulus Duration Affects Rod Influence on Hue Perception

(p.179) Chapter 20 Stimulus Duration Affects Rod Influence on Hue Perception
Normal and Defective Colour Vision

Steven L. Buck

Roger Knight

Oxford University Press

This chapter explores the effects of simultaneous rod and cone stimulation on rod hue influences. It shows that the balance among rod hue biases varies with test-stimulus duration. There appears to be little effect of prolonged cone stimulation on the balance of rod hue biases, which appears to be primarily controlled by the duration of rod stimulation. The ‘faster’ rod green bias is determined by a differential rod influence on M- versus L-cone pathways. The ‘slower’ red and blue hue biases could result from rod signals having the same sign of influence as S-cone signals in chromatic pathways.

Keywords:   rod hue, hue perception, stimulus duration, rod stimulation, cone stimulation

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