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From Bennett et al. (2007). Panel A shows sensitivity to motion for various age groups as a function of stimulus duration. The inset shows the data after an arcsine transformation. Note that adults ≥ 70 years old how impaired motion sensitivity. Panel B shows error magnitude in judging direction of motion (on trials for which motion was detected) for various age groups as a function of stimulus duration. Note that adults ≥ 70 years old exhibited larger direction judgment errors.
