Vision in the Animal Kingdom

1
Vision in the Animal Kingdom

• Kenneth Kang
• Psychology 221 Applied Vision
• Stanford University Winter 2002

2
Vision in the Animal Kingdom

• Brief survey of diversity
• Some methods
• Mollusks Squid and Octopus
• Arthropods Insects and Crabs
• Chordates Humans and Fish

3
Compound Eyes
Goldsmith, 1990
Tabanid Fly
4
Non-Uniform Photoreceptors
Arikawa, 1997
Japanese Yellow Swallowtail Butterfly (Papilio
xuthus)
5
Ommatidia
Arikawa, 1997
P. xuthus
6
Pigments
Arikawa, 1997
P. xuthus
7
Behavioral Studies
Keller, 2000
Hooded Rat
8
Comparing Species
Keller, 2000
9
Goldsmith, 1990
10
Two Foveas
Waldvogel, 1990
Barn Swallow
11
Underwater Vision
Waldvogel, 1990
12
Beyond Eyes

• Polarization
• Echo Location
• Perception

Campbell, 1996
13
References

• Arikawa, K. Stavenga, D.G. (1997). Random Array
  of Colour Filters in the Eyes of Butterflies.
  Journal of Experimental Biology, 200, 2501-2506.
• Campbell, N.A. (1996). Biology.
• Goldsmith, T.H. (1990 Sept.). Optimization,
  Constraint, and History in the Evolution of Eyes.
  The Quarterly Review of Biology, 65, 283.
• Keller, J., Strasburger, H., Cerutti, D.T.
  Sabel, B.A. (2000). Assessing spatial vision
  automated measurement of the contrast-sensitivity
  function in the hooded rat. Journal of
  Neuroscience Methods, 97, 103-110.
• Waldvogel, Jerry A. (1990 Jul.-Aug.). The Birds
  Eye View. American Scientist, 78, 342-353.