Sparse Encoding of Natural Scents

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Sparse Encoding of Natural Scents Catherine Dulac Neuron Volume 50, Issue 6, Pages 816-818 (June 2006) DOI: 10.1016/j.neuron.2006.06.002 Copyright © 2006 Elsevier Inc. Terms and Conditions

Figure 1 The Sparse Representation of Natural Scents Natural odorant stimuli, such as those provided by food or drinks, are composed of hundreds of individual chemical components. The recording of glomerular activity in the olfactory bulb of animals stimulated by natural odors shows that the representation of complex scents involves only few glomeruli per odor. In their study, Lin et al. show that this spare representation results from the activity of few salient chemical features present at low concentrations in complex natural odor signals. Neuron 2006 50, 816-818DOI: (10.1016/j.neuron.2006.06.002) Copyright © 2006 Elsevier Inc. Terms and Conditions