Lateral inhibition and concentration-invariant odor perception
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Journal of Biology 2009, 8:4 doi:10.1186/jbiol106Published: 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.