Kim, S.M., Wang, J.W. (2009). Lateral inhibition and concentration-invariant odor perception.  J. Biol. 8(1): 4.

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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.

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