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Nature 435, 157-159 (12 May 2005) | doi:10.1038/435157a; Published online 11 May 2005
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- Beth Israel Deaconess Medical Center
- Beth Israel Deaconess Medical Center, 330 Brookline Avenue, Boston, MA 02215
Chief Scientific Manager - Medicinal Chemistry
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- Bangalore, Karnataka 560099 India
Sensory physiology: Brainless eyes
Rüdiger Wehner1
Abstract
The visual equipment of box jellyfish includes eight optically advanced eyes that operate with only a rudimentary nervous system. As they produce blurred images, their function remains an open question.
According to conventional wisdom, information-processing in visual systems is a hierarchical process1. It starts at the level of the receptor layer, the retina, where raw sensory data are taken up from the outside world, and continues by transferring this information to increasingly higher centres in the brain.
- Rüdiger Wehner is in the Department of Zoology, University of Zurich, Winterthurerstrasse 190, CH-8057 Zurich, Switzerland.
Email: rwehner@zool.unizh.ch
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