Improving voluntary pupil size changes for HCI
Jan Ehlers, Juliane Georgi, Anke Huckauf · 2014
Previous research (Partala & Surakka, 2003) refers to pupil size as a passive information channel that provides insight into the affective state of the viewer but defies any voluntary control. However, since physiological arousal is influenced by various cognitive processes, we assume that pupil beh