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. 2021 Jul 1;16(7):e0254105. doi: 10.1371/journal.pone.0254105

Fig 5. Pupillary response to different motion categories and stimulus content.

Fig 5

Comparison between the mean pupillary dilation for different motion categories and subjects (objects/animals’: green; humans: red). Color saturation of bars increases with motion strength, in order: No-IM, Freezed IM, Enhanced IM, Real Motion (see S1 List for stimuli). Error bars are SE. Asterisks mark statistically significant post-hoc comparisons: * p < 0.05, ** p < 0.01, *** p < 0.001. All data shown were corrected based on each observer’s motion rating test.