Differences in olfactory bulb mitral cell spiking with ortho- and retronasal stimulation revealed by data-driven models

Craft et al. recorded from the olfactory bulb (OB) of rats using NeuroNexus 32-channel probes (A4x2-tet design) to capture odor evoked spiking activity of putative mitral cells (MCs). They found significant differences in evoked firing rates and spike count covariances. Then, using data-driven models, they provided a framework for how the brain codes odors with different modes of olfaction.

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