Figure 3 | Scientific Reports

Figure 3

From: Pupil responses associated with the perception of gravitational vertical under directional optic flows

Figure 3

Examples of pupil response during measurement (from case #3, under clockwise rotational flow of 10°/s). Baseline pupil diameter was measured approximately 4 s prior to starting the test. Initial pupil dilatation was recorded after starting the test rod adjustment. Significant increase of the pupil diameter was observed when finely aligning the bar near the vertical.

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