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Fig. 2 | Journal of Physiological Anthropology

Fig. 2

From: Light-sensitive brain pathways and aging

Fig. 2

Steady-state pupil constriction in young and older individuals. Mean pupillary constriction relative to baseline ± SEM in each age group. Blue bars: blue light at low (L), medium (M), and high (H) irradiances. Green bars: green light at low (L), medium (M), and high (H) irradiances. Effects of wavelength and irradiance levels were significant (*p < 0.05), but there was no difference between age groups and no interaction with age (n.s. not significant). Reproduced with permission from [116]

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