Fig. 4
From: The effect of cardiac phase on distractor suppression and motor inhibition in a stop-signal task

Amplitudes and scatter graphs of the Heartbeat Evoked Potential manifesting at 300–400 ms post R-peak. Differences in HEP activation hereby occur after perception of the moving triggers (at R-peak + 0 for diastole and R-peak + 290 ms for systole trials).