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. Author manuscript; available in PMC: 2021 Apr 15.
Published in final edited form as: Neuroimage. 2020 Jan 21;210:116560. doi: 10.1016/j.neuroimage.2020.116560

Figure 4.

Figure 4.

Group-averaged pupil diameter (as a percentage of the maximum diameter during the black-and-white screen baseline calibration task) during the oddball task sequence for the control group (grey) and handgrip group (red). The green dots below the plots indicate samples where the control pupil diameter is significantly greater than the handgrip pupil diameter (p < .05). Vertical black lines represent the onset timings of the goal-relevant oddball tones, whereas the dashed grey lines represented the onset of the novel sounds.