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Lateral inhibition and concentration-invariant odor perception

Susy M Kim and Jing W Wang*

Author Affiliations

Section for Neurobiology, Division of Biological Sciences, University of California-San Diego, 9500 Gilman Drive, MC 0368, La Jolla, CA 92093-0368, USA

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Journal of Biology 2009, 8:4  doi:10.1186/jbiol106

Published: 26 January 2009


Sensory identity usually remains constant across a large intensity range. Vertebrates use lateral inhibition to match the sensitivity of retinal ganglion cells to the intensity of light. A new study published in Journal of Biology suggests that lateral inhibition in the Drosophila antennal lobe is similarly required for concentration-invariant perception of odors.