Abstract
When rodents engage in the exploration of novel stimuli, breathing occurs at an accelerated rate that is synchronous with whisking. We review the recently observed relationships between breathing and the sensations of smell and vibrissa-based touch. We consider the hypothesis that the breathing rhythm serves not only as a motor drive signal, but also as a common clock that binds these two senses into a common percept. This possibility may be extended to include taste through the coordination of licking with breathing. Here we evaluate the status of experimental evidence that pertains to this hypothesis.
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Acknowledgements
This Perspective is dedicated to the late John C. Curtis. We thank W. Denk, B. Friedman, J.S. Isaacson, S. Jacobson, H.J. Karten, T. Komiyama, D. Rinberg and K. Svoboda for discussions, and K. Miura, D. Rinberg and N. Uchida for supplying data sets. This perspective was conceived at a 2013 Janelia Farms Research Center meeting and the subsequent work was supported by grants from the National Institute of Mental Health (MH085499), the National Institute of Neurological Disorders and Stroke (NS058668 and NS077986), the Canadian Institutes of Health Research (grant MT-5877), and the US-Israeli Binational Foundation (2011432).
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Kleinfeld, D., Deschênes, M., Wang, F. et al. More than a rhythm of life: breathing as a binder of orofacial sensation. Nat Neurosci 17, 647–651 (2014). https://doi.org/10.1038/nn.3693
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DOI: https://doi.org/10.1038/nn.3693
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