“…B. Winn, Wendt, Koelewijn, & Kuchinsky, 2018;Adriana A. Zekveld, Koelewijn, & Kramer, 2018). However, pupil size can vary due to factors unrelated to task demands, such as changes in light (Knapen et al, 2016;Suzuki, Minami, Laeng, & Nakauchi, 2019;Thurman et al, 2021) or in the angle of the eye relative to the eye-tracking camera (Brisson et al, 2013;Fink et al, 2023;Hayes & Petrov, 2016). To address the latter, individuals typically maintain fixation on a point on a computer monitor Matthew B. Winn & Teece, 2021;Adriana A. Zekveld et al, 2018), but restriction of gaze can reduce memory and mental imagery (Johansson, Holsanova, Dewhurst, & Holmqvist, 2012).…”