Kim, J.*, Lee, J.*, Jun, S.B. et al. 'Pupillometry as a window to detect cognitive aging in the brain.' Biomed. Eng. Lett. (2023). (https://doi.org/10.1007/s13534-023-00315-6)* Jiae Kim and Jiyeon Lee contributed equally and share first authorship.: Compared the pupil sizes of younger and older adult groups as a biomarker to assess cognitive load decline associated with aging.