“…Apart from physiological measures, observable driver behavior can be monitored to derive measures that are indicative of driver attentional state. The relevant locus for monitoring driver behavior is the head, and more specifically the eyes (Ebrahim, Stolzmann, & Yang, 2013;Hayley et al, 2021;Stawarczyk, François, Wertz, & D'Argembeau, 2020). Head and eye position and movements are strong behavioral correlates of attention and vigilance and are conveniently monitored through the collection of video footage (Ebrahim et al, 2013;Shekari Soleimanloo et al, 2019;Stawarczyk et al, 2020).…”