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Visual Ecology

Thomas W. Cronin, Sönke Johnsen, N. Justin Marshall, and Eric J. Warrant

Published in print:
2014
Published Online:
October 2017
ISBN:
9780691151847
eISBN:
9781400853021
Item type:
book
Publisher:
Princeton University Press
DOI:
10.23943/princeton/9780691151847.001.0001
Subject:
Biology, Evolutionary Biology / Genetics

Visual ecology is the study of how animals use visual systems to meet their ecological needs, how these systems have evolved, and how they are specialized for particular visual tasks. This book ... More


Visual Pigments and Photoreceptors

Thomas W. Cronin, Sönke Johnsen, N. Justin Marshall, and Eric J. Warrant

in Visual Ecology

Published in print:
2014
Published Online:
October 2017
ISBN:
9780691151847
eISBN:
9781400853021
Item type:
chapter
Publisher:
Princeton University Press
DOI:
10.23943/princeton/9780691151847.003.0003
Subject:
Biology, Evolutionary Biology / Genetics

This chapter focuses on visual pigments and photoreceptors. In living things, photoreception inevitably begins with a photochemical event—a molecule intercepts a photon of light and is somehow ... More


The Eye Designs of the Animal Kingdom

Thomas W. Cronin, Sönke Johnsen, N. Justin Marshall, and Eric J. Warrant

in Visual Ecology

Published in print:
2014
Published Online:
October 2017
ISBN:
9780691151847
eISBN:
9781400853021
Item type:
chapter
Publisher:
Princeton University Press
DOI:
10.23943/princeton/9780691151847.003.0005
Subject:
Biology, Evolutionary Biology / Genetics

This chapter studies the eye designs of the animal kingdom. Today, there are ten generally recognized optical eye types that have evolved in various branches of the animal kingdom. Whereas ... More


Photoperiodism in Mollusks

Hideharu Numata and Hiroko Udaka

in Photoperiodism: The Biological Calendar

Published in print:
2009
Published Online:
May 2010
ISBN:
9780195335903
eISBN:
9780199775446
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780195335903.003.0008
Subject:
Biology, Animal Biology

This chapter focuses on photoperiodism in gastropods, particularly terrestrial and freshwater species in the order Pulmonata, in which photoperiodism has been intensively examined. It also suggests ... More


Seeing Black and White

Alan Gilchrist

Published in print:
2006
Published Online:
September 2007
ISBN:
9780195187168
eISBN:
9780199786725
Item type:
book
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780195187168.001.0001
Subject:
Psychology, Clinical Psychology

How the human visual system determines the lightness of a surface, that is, its whiteness, blackness, or grayness, remains, like vision in general, a mystery. In fact, we have not been able to create ... More


Photoperiodism in Insects: Aphid Polyphenism

Jim Hardie

in Photoperiodism: The Biological Calendar

Published in print:
2009
Published Online:
May 2010
ISBN:
9780195335903
eISBN:
9780199775446
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780195335903.003.0014
Subject:
Biology, Animal Biology

This chapter discusses the complicated role of photoperiod in regulating life history traits in aphids. As for all organisms responding to day length, aphids require a photoreceptor system that can ... More


Sensory organs

A. Schmidt-Rhaesa

in The Evolution of Organ Systems

Published in print:
2007
Published Online:
September 2007
ISBN:
9780198566687
eISBN:
9780191718007
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198566687.003.0007
Subject:
Biology, Evolutionary Biology / Genetics

There is a wide variety of different sensory organs, but the basic principles of their function are similar. This chapter summarizes the known sensory structures, and ciliary receptors are briefly ... More


Filling-In: From Perceptual Completion to Cortical Reorganization

Luiz Pessoa and Peter De Weerd (eds)

Published in print:
2003
Published Online:
May 2009
ISBN:
9780195140132
eISBN:
9780199865307
Item type:
book
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780195140132.001.0001
Subject:
Neuroscience, Sensory and Motor Systems, Behavioral Neuroscience

A well-known example of filling-in involves the blind spot, a region in the back of the eye that is devoid of photoreceptors. The term blind spot is somewhat of a misnomer, because the corresponding ... More


Vision: How It Works and What Can Go Wrong

John E. Dowling and Jr. Joseph L. Dowling

Published in print:
2016
Published Online:
September 2016
ISBN:
9780262034616
eISBN:
9780262333566
Item type:
book
Publisher:
The MIT Press
DOI:
10.7551/mitpress/9780262034616.001.0001
Subject:
Neuroscience, Sensory and Motor Systems

The visual system is our best understood sensory system, and for humans vision is paramount. Surveys indicate people fear blindness more than any other sensory disability. Most visual problems ... More


Lack Of S-Opsin Expression in the Brush-Tailed Porcupine (Atherurus Africanus) and Other Mammals. Is the Evolutionary Persistence of S-Cones a Paradox?

P. Ahnelt, K. Moutairou, M. Glösmann, and A. Kübber-Heiss

in Normal and Defective Colour Vision

Published in print:
2003
Published Online:
April 2010
ISBN:
9780198525301
eISBN:
9780191584947
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198525301.003.0004
Subject:
Psychology, Cognitive Neuroscience

This chapter describes the photoreceptor layer of the African brush-tailed porcupine (Atherurus africanus) and surveys the occurrence of secondary short wavelength cone (pigment) sensitivity loss. ... More


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