Fig. 3From: In-vivo application of low frequency alternating currents on porcine cervical vagus nerve evokes reversible nerve conduction blockExample of a raw respiration data set during experiment. Vagal stimulation alone occurred at approximately 140 seconds, shown as the shaded region. In this period, there is an evident increase in inter-breath interval and a slight decrease in amplitude. This indicates that the HB reflex was adequately activatedBack to article page