Sonke Johnsen

Professor of Biology

Office: 
301 Bio Sci Bldg, Durham, NC 27708
Campus Box: 
Duke Box 90338, Durham, NC 27708-0338
Phone: 
(919) 660-7321

Education

  • Ph.D., University of North Carolina - Chapel Hill 1996

  • B.A., Swarthmore College 1988

Cronin, Thomas W., and Sönke Johnsen. “Extraocular, Non-Visual, and Simple Photoreceptors: An Introduction to the Symposium.Integrative and Comparative Biology 56, no. 5 (November 2016): 758–63. https://doi.org/10.1093/icb/icw106. Full Text

Speiser, Daniel I., Yakir Luc Gagnon, Raghav K. Chhetri, Amy L. Oldenburg, and Sönke Johnsen. “Examining the Effects of Chromatic Aberration, Object Distance, and Eye Shape on Image-Formation in the Mirror-Based Eyes of the Bay Scallop Argopecten irradians.Integrative and Comparative Biology 56, no. 5 (November 2016): 796–808. https://doi.org/10.1093/icb/icw099. Full Text

Bagge, Laura E., Karen J. Osborn, and Sönke Johnsen. “Nanostructures and Monolayers of Spheres Reduce Surface Reflections in Hyperiid Amphipods.Current Biology : Cb 26, no. 22 (November 2016): 3071–76. https://doi.org/10.1016/j.cub.2016.09.033. Full Text

Ruxton, Graeme D., and Sönke Johnsen. “The effect of aggregation on visibility in open water.Proceedings. Biological Sciences 283, no. 1839 (September 2016). https://doi.org/10.1098/rspb.2016.1463. Full Text

Tedore, Cynthia, and Sönke Johnsen. “Disentangling the visual cues used by a jumping spider to locate its microhabitat.The Journal of Experimental Biology 219, no. Pt 15 (August 2016): 2396–2401. https://doi.org/10.1242/jeb.129122. Full Text

Cronin, Thomas W., Yakir Luc Gagnon, Sönke Johnsen, N Justin Marshall, and Nicholas W. Roberts. “Comment on "Open-ocean fish reveal an omnidirectional solution to camouflage in polarized environments".Science (New York, N.Y.) 353, no. 6299 (August 2016): 552. https://doi.org/10.1126/science.aaf4481. Full Text

Johnsen, Sönke, Yakir L. Gagnon, N Justin Marshall, Thomas W. Cronin, Viktor Gruev, and Samuel Powell. “Polarization vision seldom increases the sighting distance of silvery fish.Current Biology : Cb 26, no. 16 (August 2016): R752–54. https://doi.org/10.1016/j.cub.2016.07.030. Full Text

Wilkins, Lucas, N Justin Marshall, Sönke Johnsen, and D. Osorio. “Modelling colour constancy in fish: implications for vision and signalling in water.The Journal of Experimental Biology 219, no. Pt 12 (June 2016): 1884–92. https://doi.org/10.1242/jeb.139147. Full Text

Johnsen, Sönke. “How to measure color using spectrometers and calibrated photographs.The Journal of Experimental Biology 219, no. Pt 6 (March 2016): 772–78. https://doi.org/10.1242/jeb.124008. Full Text

Zylinski, Sarah, D. Osorio, and Sonke Johnsen. “Cuttlefish see shape from shading, fine-tuning coloration in response to pictorial depth cues and directional illumination.Proceedings. Biological Sciences 283, no. 1826 (March 2016): 20160062. https://doi.org/10.1098/rspb.2016.0062. Full Text

Pages

Sweeney, A., D. L. Des Marais, A. Ban, and S. Johnsen. “Evolving refractive index: How lens protein evolution contributed to high-resolution squid vision.” In Integrative and Comparative Biology, 45:1080–1080. OXFORD UNIV PRESS INC, 2005.

Tuthill, J. C., and S. Johnsen. “Polarization vision in crayfish enhances motion detection.” In Integrative and Comparative Biology, 45:1204–1204. OXFORD UNIV PRESS INC, 2005.

Johnsen, S., A. Kelber, E. J. Warrant, A. M. Sweeney, E. A. Widder, R. L. Lee, and J. Hernandez-Andres. “The color of night: Twilight and nocturnal illumination and its effects on color perception.” In Integrative and Comparative Biology, 45:1021–1021. OXFORD UNIV PRESS INC, 2005.

Speiser, D. I., and S. Johnsen. “Wavelength-dependent phototaxis as a depth regulating mechanism in a ctenophore.” In Integrative and Comparative Biology, 45:1197–1197. OXFORD UNIV PRESS INC, 2005.

Sweeney, A., and S. Johnsen. “Evolution of complex optics in squid lenses.” In Integrative and Comparative Biology, 44:649–649. OXFORD UNIV PRESS INC, 2004.

Johnsen, S. “The red and the black: Bioluminescence and the color of animals in the deep sea.” In Integrative and Comparative Biology, 44:578–578. OXFORD UNIV PRESS INC, 2004.

Blevins, E. L., and S. Johnsen. “Spatial vision in the echinoid genus Echinometra.” In Integrative and Comparative Biology, 44:526–526. OXFORD UNIV PRESS INC, 2004.

Costello, M. J., K. P. Gilliland, C. D. Freel, W. C. Fowler, and S. Johnsen. “Mie light scattering analysis of human age-related nuclear cataracts.” In Investigative Ophthalmology & Visual Science, 45:U170–U170. ASSOC RESEARCH VISION OPHTHALMOLOGY INC, 2004.

Sweeney, A. M., and S. Johnsen. “Biological optical instruments in the deep sea.” In Integrative and Comparative Biology, 43:1016–1016. SOC INTEGRATIVE COMPARATIVE BIOLOGY, 2003.

Johnsen, S. “Troubles in flashlight world: The effects of water turbidity and visual acuity on the success of counterillumination in deep-sea species.” In Integrative and Comparative Biology, 43:808–808. SOC INTEGRATIVE COMPARATIVE BIOLOGY, 2003.

Pages