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FAQ: How can I visualize pupil size data?
#1
The Temporal Graph View of the Trial View window can be used to visualize Pupil Size data. Simply enable gaze samples by clicking the Toggle Eye Sample Visibility button in the top toolbar of Data Viewer. Once enabled, select "Pupil Sample Trace" for the Left or Right eyes individually on the bottom toolbar to plot the data collected over the course of the current trial. The pupil data will appear as a blue (default) line towards the top of  the plot.

   

The pupil trace can be scaled by adjusting the following preference - increasing the value will increase  the change on the Y axis: