Eye tracking cognitive load using pupil diameter and microsaccades with fixed gaze

Krzysztof Krejtz, Andrej T. Duchowski, Anna Niedzielska, Cezary Biele, Izabela Krejtz

2018 PLoS One, T. 13, z. 9, s. 1-23

https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0203629