Fig. 6.

Example recordings illustrate short-term potentiation of ipsilateral diaphragm EMG activity following ISMS. A: tongue and ipsilateral (left) diaphragm EMG activity after acute C2Hx, during ISMS, and immediately after cessation of ISMS. Note that clear phasic (inspiratory) activity can be seen after ISMS, whereas the baseline showed no such activity. B: a similar response can be observed in a subacute C2Hx animal. In these examples, the ISMS was triggered by the inspiratory genioglossus EMG signal and was delivered at 100 Hz for 1 min of respiratory efforts.