$7$ Enter the interval between action potentials $($the ISI$)$ in the field below and then select Submit Data to display your answer in the data table.

elect Measure to help determine the time between action potentials. A thin, vertical yellow line appears at the far left side of the oscilloscope screen. You can move the line in $10$ millisecond increments by selecting the $+$ and $-$ buttons beside the time display, which shows the time at the line.

milliseconds