Is accommodation a confounder in pupillometry research?
نویسندگان
چکیده
Much psychological research uses pupil diameter measurements to investigate the cognitive and emotional effects of visual stimuli. A potential problem is that accommodating at a nearby point causes constrict. This study examined what extent accommodation confounder in pupillometry research. Participants solved multiplication problems different distances (Experiment 1) looked line drawings with monocular depth cues 2) while their diameter, refraction, vergence angle were recorded using photorefractor. Experiment 1 showed pupils dilated performing multiplications, for all presentation distances. Pupillary constriction due was not strong enough override dilation load. 2 caused small shift refraction expected direction. We conclude that, young student sample we used, are substantially affected by accommodation.
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ژورنال
عنوان ژورنال: Biological Psychology
سال: 2021
ISSN: ['1873-6246', '0301-0511']
DOI: https://doi.org/10.1016/j.biopsycho.2021.108046