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. Author manuscript; available in PMC: 2019 Oct 1.
Published in final edited form as: Respir Physiol Neurobiol. 2017 Oct 23;256:15–20. doi: 10.1016/j.resp.2017.10.005

Figure 1. Intermittent, but not sustained, hypoxia, elicits long-term facilitation (LTF) of hypoglossal (XII) motor output.

Figure 1.

Representative integrated hypoglossal neurograms before, during, and 60 min following intermittent (top) or sustained (middle) hypoxia or no hypoxia (time control, bottom). Relative to baseline (indicated by dotted line), hypoglossal burst amplitude was increased 60 min following intermittent, but not sustained hypoxia. When hypoxia is not presented, hypoglossal motor output remains stable over time (time control). Short bar = 5 min; long bar = 25 min.