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. 1998 Mar 15;507(Pt 3):869–880. doi: 10.1111/j.1469-7793.1998.869bs.x

Figure 4. Rat: peripheral recording of cardiac vagal efferent fibre with no respiratory-related inputs.

Figure 4

A, four superimposed sweeps of the discriminated active unit. B-D, histograms of the activity of a cardiac vagal C fibre efferent triggered from: integrated phrenic nerve activity (B, Integ. phrenic; 20 ms bins, 131 sweeps), the femoral arterial blood pressure wave (C, BP; 5 ms bins, 1665 sweeps), and tracheal pressure (D, TP; 20 ms bins, 214 sweeps). Above each histogram is an average of the respective trigger input.