A spatiotemporal coding mechanism for background-invariant odor recognition

@article{Saha2013ASC,
  title={A spatiotemporal coding mechanism for background-invariant odor recognition},
  author={Debajit Saha and Kevin Leong and Chao Li and Steven P. Peterson and Gregory Siegel and Baranidharan Raman},
  journal={Nature Neuroscience},
  year={2013},
  volume={16},
  pages={1830-1839}
}
Sensory stimuli evoke neural activity that evolves over time. What features of these spatiotemporal responses allow the robust encoding of stimulus identity in a multistimulus environment? Here we examined this issue in the locust (Schistocerca americana) olfactory system. We found that sensory responses evoked by an odorant (foreground) varied when presented atop or after an ongoing stimulus (background). These inconsistent sensory inputs triggered dynamic reorganization of ensemble activity… CONTINUE READING
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