Odor representations in the olfactory bulb evolve after the first breath and persist as an odor afterimage.

@article{Patterson2013OdorRI,
  title={Odor representations in the olfactory bulb evolve after the first breath and persist as an odor afterimage.},
  author={Michael A. Patterson and Samuel Lagier and Alan Carleton},
  journal={Proceedings of the National Academy of Sciences of the United States of America},
  year={2013},
  volume={110 35},
  pages={E3340-9}
}
Rodents can discriminate odors in one breath, and mammalian olfaction research has thus focused on the first breath. However, sensory representations dynamically change during and after stimuli. To investigate these dynamics, we recorded spike trains from the olfactory bulb of awake, head-fixed mice and found that some mitral cells' odor representations changed following the first breath and others continued after odor cessation. Population analysis revealed that these postodor responses… CONTINUE READING
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