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. Author manuscript; available in PMC: 2021 Jul 1.
Published in final edited form as: Neurobiol Aging. 2020 Mar 5;91:136–147. doi: 10.1016/j.neurobiolaging.2020.02.025

Figure 3.

Figure 3.

Z-scored grand-average pupil dilation (PD) waveforms for Sound and No Sound conditions computed by subtracting mean baseline pupil diameter from trial pupil diameter at each sampled time point, averaged across age groups and conditions. YA=Young Adults (in green); OA=Older Adults (in blue).